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Journal articles on the topic 'Hopya'

Author: Grafiati

Published: 5 June 2025

Last updated: 16 July 2025

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1

Glorilyn, B. Alejandro. "Sensory Evaluation of Hopyang Gabi (Colacasia Esculenta) Con Mais (Zea Mays) Pastry Product: Food Product Development." International Journal of Innovative Research in Multidisciplinary Education 03, no. 06 (2024): 1187–93. https://doi.org/10.5281/zenodo.12754634.

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This study focused on the development of the food product "Hopyang Gabi Con Mais" and evaluation of its quality and potential for acceptability in order to improve nutrition through organic foods and assist families in diversifying their food sources. Hopyang Gabi Con Mais was produced from taro roots, and white corn. Increase in nutritive content like nutrients, vitamins and minerals of the product are obtained from taro root and white corn. Taro plant is a powerhouse of nutrients. It roots contain vitamins like folate, niacin, pantothenic acid, pyridoxine, riboflavin, thiamine, vitamin A, vi

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Damayanti, Inggar, Iskandar Z. Siregar, and Sri Rahayu. "ASOSIASI POHON DENGAN EPIFIT Hoya spp. DI TAMAN NASIONAL BUKIT DUABELAS Tree Association with Epiphytes Hoya spp. in Bukit Duabelas National Park." Journal of Tropical Silviculture 8, no. 3 (2018): 191–96. http://dx.doi.org/10.29244/j-siltrop.8.3.191-196.

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In the tropical rainforests of Jambi, Sumatera, a particular group of epiphytes, species in the genus Hoya, have significant potential to be developed as commercially valuable ornamental plants, because of the uniqueness and beauty of their flowers. Hoya spp. are epiphytic vines whose survival depends largely on the presence of carrier trees, i.e. phorophyte trees. The study reported here was conducted to identify the level of epiphytic association between phorophyte trees and identified Hoya species. The study found four Hoya species, namely: Hoya rintzii, Hoya revoluta, Hoya coronaria, and H

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Harmen, Menti Saysa, and Sitti Fatimah Mhd. Ramle. "Antifungal Activities of Methanol Extract from Syzygium chlorantha and Hopea spp. against Pycnoporus Sanguineus." Journal of Tropical Resources and Sustainable Science (JTRSS) 4, no. 2 (2021): 88–94. http://dx.doi.org/10.47253/jtrss.v4i2.613.

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Antifungal activities of 6 methanol extract obtain from bark, sapwood and heartwood of Syzygium chlorantha and Hopea spp. were evaluated against the white rot fungi Pycnoporus sanguineus using a medium in which homogenised hyphae were dispersed. It is observed that Hopea spp. has antifungal activity against Pycnoporus sanguineus compared to Syzygium chlorantha. Hopea spp. bark showed the highest antifungal activity against Pycnoporus sanguineus with reaction showed very clear inhibition zone. Meanwhile, Hopea spp. sapwood showed partially clear inhibition zone. On the other hand, there are no

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4

Rodda, Michele, and Juhonewe Nadhanielle Simonsson. "Hoya isabelchanae Rodda & Simonsson, a new, showy species of Hoya R.Br. (Apocynaceae, Asclepiadoideae) with pomegranate red flowers from Sulawesi, Indonesia." PhytoKeys 68 (August 2, 2016): 45–50. https://doi.org/10.3897/phytokeys.68.8803.

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A new species of Hoya R.Br. from Sulawesi (Indonesia), H. isabelchanae Rodda & Simonsson, is described and illustrated. It is one of the largest flowered species in Hoya section Acanthostemma (Blume) Kloppenb. Its flowers are of comparable size to those of Hoya benchaii Gavrus et al., Hoya kloppenburgii T.Green, Hoya rundumensis (T.Green) Rodda & Simonsson and Hoya sigillatis T.Green ssp. sigillatis, all from Borneo. Among Sulawesi species it is compared with the vegetatively similar Hoya brevialata Kleijn & van Donkelaar and Hoya pallilimba Kleijn & van Donkelaar.

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Rahayu, S., R. P. P. Ahmad, and M. Rodda. "Hoya of Sulawesi, Indonesia: A checklist, two new species, a new subspecies and six new records." Gardens’ Bulletin Singapore 74, no. 2 (2022): 207–21. http://dx.doi.org/10.26492/gbs74(2).2022-07.

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Two new Hoya R.Br. species and a new subspecies, Hoya towutiensis S.Rahayu, R.P.P.Ahmad & Rodda, Hoya mamasa S.Rahayu, R.P.P.Ahmad & Rodda and Hoya mamasa subsp.longicorolla S.Rahayu, R.P.P.Ahmad & Rodda, are described from Sulawesi, Indonesia. A checklist of Hoya of Sulawesi is published, including 30 species and one subspecies, six of which are newly recorded. Hoya tsiangiana P.T.Li is typified and considered a new synonym of Hoya australis R.Br. ex J.Traill s.l.

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6

Rodda, M. "TAXONOMY OF HOYA LYI, HOYA YUENNANENSIS AND HOYA MEKONGENSIS (APOCYNACEAE – ASCLEPIADOIDEAE)." Edinburgh Journal of Botany 69, no. 1 (2012): 83–93. http://dx.doi.org/10.1017/s0960428611000412.

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Hoya lyi H.Lév. and H. yuennanensis Hand.-Mazz. (Apocynaceae – Asclepiadoideae), described at the beginning of the 20th century from specimens collected in South West China, have often been confused with each other and with H. carnosa R.Br. Currently Hoya yuennanensis is considered a synonym of H. lyi but after the selection of lectotypes and the comparison of extensive herbarium materials from the region two species are once again recognised. Emended descriptions and illustrations are provided. The recently described Hoya mekongensis M.G.Gilbert & P.T.Li is synonymised with H. yuennanensi

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7

Sulaeman, Masrayani, Sulistijorini Sulistijorini, and Sri Rahayu. "Habitat Suitability for Hoya spp. (Apocynaceae) in The Bodogol Conservation Area, West Java." Biosaintifika: Journal of Biology & Biology Education 11, no. 1 (2019): 91–99. http://dx.doi.org/10.15294/biosaintifika.v11i1.13021.

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Hoya is a tropical flowering plant that has great potential as an export commodity. It needs to be cultivated to ensure its sustainability in nature. Information about the suitable habitat of Hoya was not widely known yet. This study aimed to compare the habitat characteristics of several species of Hoya. The research was conducted by exploring the sample plots determined by purposive sampling based on the differences of habitat characteristics. The biotic components observed were phorophyte species type and the number of individual of each Hoya species. The abiotic components measured in each

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Sanil, M. S., V. B. Sreekumar, K. A. Sreejith, A. J. Robi, and T. K. Nirmesh. "Notes on the taxonomy and distribution of two endemic and threatened dipterocarp trees from the Western Ghats of Kerala, India." Journal of Threatened Taxa 9, no. 12 (2017): 11033. http://dx.doi.org/10.11609/jott.3628.9.12.11033-11039.

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Hopea glabra Wight & Arn. and Hopea utilis (Bedd.) Bole are two little-known highly threatened endemic dipterocarps distributed in evergreen forests of the Western Ghats. Although literature surveys and herbarium records show occurrence of these species in different forest areas of Kerala, the present study could locate Hopea glabra from the Silent Valley National Park and Hopea utilis from Shankili forests in Kulathupuza range, enabling the portrayal of current distribution, basic ecology covering phenology, species association, regeneration and conservation status along with taxonomic no

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9

Botangen, Esther T., Joyce K. Mama-o, and Ines C. Gonzales. "Sweetpotato Product Development: Modified Yoghurt , Hopia and Vinegar." Mountain Journal of Science and Interdisciplinary Research (formerly Benguet State University Research Journal) 72 (December 12, 2014): 22–31. https://doi.org/10.70884/mjsir.v72i0.28.

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Three sweetpotato entries namely JO6 30-3 (yellow colored flesh), Immitlog (orange colored flesh) and Haponita (violet colored flesh) were evaluated for their acceptability when added to yoghurt as flavoring hopia as filling and vinegar as fermenting material. The product development was done from October 2010 to July 2013.The varieties were found to be acceptable for the production of yoghurt, hopia and vinegar. Yoghurt and hopia has good taste, sugar just right and texture is smooth for yoghurt. Sweetpotato yoghurt can have a shelf-life of one month under refrigerated condition, hopia for se

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10

Joshi, Kunjani. "Scanning electron microscopic study of leaf surface of some species of Hopea Roxb. (Dipterocarpaceae): implications for taxonomy." Botanica Orientalis: Journal of Plant Science 6 (March 15, 2010): 106–8. http://dx.doi.org/10.3126/botor.v6i0.2919.

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Since more than two decades, the taxonomy of Hopea has been a point for discussion. Time to time, various taxonomists have tried to classify the species of Hopea on the basis of morphological and anatomical characters. This type of controversy can be solved by the study of various disciplines. Among them, the Scanning Electron Microscopic (SEM) study may be taxonomically useful to resolve the controversies over the classification of the genus Hopea. The SEM study was carried out in Hopea of Sri Lanka. The result of SEM indicates that the two taxa (Hopea jucunda ssp. jucunda and H. jucunda ssp.

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RODDA, MICHELE, and SRI RAHAYU. "A revision of the Hoya uncinata complex (Apocynaceae, Asclepiadoideae), with description of a new species." Phytotaxa 383, no. 3 (2018): 252. http://dx.doi.org/10.11646/phytotaxa.383.3.2.

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The Hoya uncinata complex is a group of species with clear latex, deeply lobed rotate corolla and corpusculum of the pollinarium almost as large as the pollinium. Three species are included in the complex: Hoya uncinata from Java and Sumatra, Hoya ruthiae from Borneo and a new species here described, Hoya corneri, from Borneo, Peninsular Malaysia and Thailand. Hoya padangensis is recognised as a new synonym of H. uncinata. Hoya padangensis and H. uncinata are typified.

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12

Rahayu, Sri, and Michele Rodda. "HOYA NARCISSIFLORA (APOCYNACEAE, ASCLEPIADOIDEAE), A NEW SPECIES FROM BORNEO." REINWARDTIA 16, no. 1 (2017): 5. http://dx.doi.org/10.14203/reinwardtia.v16i1.2868.

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RAHAYU, S. & RODDA, M. 2017. Hoya narcissiflora (Apocynaceae, Asclepiadoideae), a new species from Borneo. Reinwardtia 16(1): 11 – 16. — A new species of Hoya from Borneo is described, namely Hoya narcissiflora S. Rahayu & Rodda. The species has thin, non-succulent leaves similar to those of species in the Hoya campanulata Group and shallowly campanulate corolla. It is compared with all other Bornean Hoya species possessing campanulate corollas.

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13

de Lirio, Elton John, and Joelcio Freitas. "(14) Request for a binding decision on whether Hopea Roxb. (Dipterocarpaceae) and Hopia Zuloaga & Morrone (Poaceae) are sufficiently alike to be confused." Taxon 63, no. 4 (2014): 948. http://dx.doi.org/10.12705/634.38.

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Seah, Stephen Y. K., Jiyuan Ke, Geoffroy Denis, et al. "Characterization of a C—C Bond Hydrolase from Sphingomonas wittichii RW1 with Novel Specificities towards Polychlorinated Biphenyl Metabolites." Journal of Bacteriology 189, no. 11 (2007): 4038–45. http://dx.doi.org/10.1128/jb.01950-06.

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ABSTRACT Sphingomonas wittichii RW1 degrades chlorinated dibenzofurans and dibenzo-p-dioxins via meta cleavage. We used inverse PCR to amplify dxnB2, a gene encoding one of three meta-cleavage product (MCP) hydrolases identified in the organism that are homologues of BphD involved in biphenyl catabolism. Purified DxnB2 catalyzed the hydrolysis of 8-OH 2-hydroxy-6-oxo-6-phenylhexa-2,4-dienoate (HOPDA) approximately six times faster than for HOPDA at saturating substrate concentrations. Moreover, the specificity of DxnB2 for HOPDA (k cat/Km = 1.2 × 107 M−1 s−1) was about half that of the BphDs o

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Rodda, Michele, and Enrico Ercole. "Hoya papaschonii (Apocynaceae: Asclepiadoideae), a new species from southern Thailand with a peculiar corona." Phytotaxa 175, no. 2 (2014): 97. http://dx.doi.org/10.11646/phytotaxa.175.2.4.

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The new Hoya species, here described and fully illustrated, is an epiphytic shrub with white-cream coloured flowers superficially similar to those of Hoya telosmoides. Its gynostegial corona includes five staminal and five interstaminal lobes, the latter never before observed in Hoya. The placement of the new species within Hoya was confirmed by a phylogenetic analysis based on nuclear ribosomal ITS and 5’-ETS regions, and chloroplast psbA-trnH and trnT-trnL intergenic spacers. It belongs to a group of species including Hoya multiflora and Hoya praetorii, characterised together with H. papasch

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Fortin, Pascal D., Geoff P. Horsman, Hao M. Yang, and Lindsay D. Eltis. "A Glutathione S-Transferase Catalyzes the Dehalogenation of Inhibitory Metabolites of Polychlorinated Biphenyls." Journal of Bacteriology 188, no. 12 (2006): 4424–30. http://dx.doi.org/10.1128/jb.01849-05.

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ABSTRACT BphK is a glutathione S-transferase of unclear physiological function that occurs in some bacterial biphenyl catabolic (bph) pathways. We demonstrated that BphK of Burkholderia xenovorans strain LB400 catalyzes the dehalogenation of 3-chloro 2-hydroxy-6-oxo-6-phenyl-2,4-dienoates (HOPDAs), compounds that are produced by the cometabolism of polychlorinated biphenyls (PCBs) by the bph pathway and that inhibit the pathway's hydrolase. A one-column protocol was developed to purify heterologously produced BphK. The purified enzyme had the greatest specificity for 3-Cl HOPDA (k cat/Km , ∼10

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PAGUNTALAN, DIANA P., and INOCENCIO E. BUOT. "Short Communication: Investigation of leaf architectural patterns: Implications in delineating taxonomically controversial Hoya merrillii Schlechter and Hoya quinquenervia Warburg." Biodiversitas Journal of Biological Diversity 20, no. 3 (2019): 833–39. http://dx.doi.org/10.13057/biodiv/d200329.

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Abstract. Paguntalan DP, Buot JrIE. 2019. Short Communication: Investigation of leaf architectural patterns: Implications in delineating taxonomically controversial Hoya merrillii Schlechter and Hoya quinquenervia Warburg. Biodiversitas 20: 833-839. Variations in leaf traits of two very likely similar plants, Hoya merrillii Schlechter and Hoya quinquenervia Warburg were examined together with an outgroup, Hoya cagayanensis Burton. The objectives of the study are to examine the leaf architectural characteristics of Hoya merrillii and Hoya quinquenervia and use the information as an additional b

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18

Parker, David. "Tragedy and Hopea." Baptist Quarterly 38, no. 2 (1999): 91–102. http://dx.doi.org/10.1080/0005576x.1999.11772040.

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Reisen, William K., and Kenneth L. Gage. "Cluff E. Hopla." Journal of Vector Ecology 34, no. 1 (2009): 1. http://dx.doi.org/10.1111/j.1948-7134.2009.00001.x.

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20

Rodda, Michele. "Two new species of Hoya R.Br. (Apocynaceae, Asclepiadoideae) from Borneo." PhytoKeys 53 (July 21, 2015): 83–93. https://doi.org/10.3897/phytokeys.53.5079.

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Two new Hoya R.Br. species from Borneo are described and illustrated. The first, Hoya ruthiae Rodda was collected in Sabah on Bukit Baturong, a limestone outcrop. It is one of the few species in the genus to have clear exudate. It is compared with the morphologically related Hoya uncinata Teijsm. and Binn. The other, Hoya bakoensis Rodda, was collected in the kerangas forests of Bako National Park. It belongs to Hoya section Acanthostemma (Bl.) Kloppenb., a section with numerous members in the Philippines but under-represented in Borneo.

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Osawa, Ryoko, Tetsuro Oshika, Masahiko Sano, Takuma Yuguchi, and Tadayoshi Kaiya. "Rotational stability of modified toric intraocular lens." PLOS ONE 16, no. 3 (2021): e0247844. http://dx.doi.org/10.1371/journal.pone.0247844.

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We evaluated the rotational stability of a new toric intraocular lens (IOL), HOYA XY-1 toric IOL that is an improved version of HOYA 355 toric IOL, with longer overall length (13.0 mm vs. 12.5 mm), shortened unfolding time, and texture processing of the surface of haptics. Data from 193 eyes of 165 patients (76.4 ± 8.3 years old) with preoperative corneal astigmatism exceeding 0.75 diopters who had undergone phacoemulsification and toric IOL implantation were collected and analyzed. Corneal astigmatism, refractive astigmatism, and uncorrected (UDVA) and corrected distance visual acuity (CDVA)

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Muhammad Ridho Fadhilah and Asnita Frida B. R. Sebayang. "Strategi Pengembangan Penjualan online terhadap Industri Fashion Studi Kasus Hoya Fields." Bandung Conference Series: Economics Studies 3, no. 2 (2023): 296–99. http://dx.doi.org/10.29313/bcses.v3i2.7646.

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Abstract. Online sales are sales activities from looking for prospective buyers to offering products by utilizing the internet network which is supported by a set of electronic devices as a link to the internet network. This study discusses online sales development strategies for the fashion industry. This study aims to determine the condition of Hoya Fields online sales, identify the weaknesses and strengths of sales, find out the opportunities and threats of Hoya Fields online sales, and how the results of the SWOT strategy of Hoya Fields online sales in developing the fashion industry. Quan

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Wanntorp, Livia, Alexander Kocyan, Ruurd van Donkelaar, and Susanne S. Renner. "Towards a Monophyletic Hoya (Marsdenieae, Apocynaceae): Inferences from the Chloroplast trnL Region and the rbcL-atpB Spacer." Systematic Botany 31, no. 3 (2006): 586–96. http://dx.doi.org/10.1600/036364406778388593.

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The delimitation of the genus Hoya, with at least 200 species distributed from India and China to Australia, from its closest relatives in the Marsdenieae has long been problematic, precluding an understanding of the evolution and biogeography of the genus. Traditional circumscriptions of genera in the Hoya alliance have relied on features of the flower, but these overlap extensively between clades and may be evolutionarily labile. We obtained chloroplast DNA sequences to infer the phylogenetic relationships among a sample of 35 taxa of Hoya and 11 other genera in the tribe Marsdenieae, namely

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Rodda, Michele, The Bach Tran, and Quoc Binh Nguyen. "Hoya tamdaoensis (Apocynaceae, Asclepiadoideae), a new species from Vietnam." Phytotaxa 217, no. 3 (2015): 288. http://dx.doi.org/10.11646/phytotaxa.217.3.6.

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A new species of Hoya R.Br. from Tam Đảo National Park (Vĩnh Phúc Province, Vietnam), Hoya tamdaoensis Rodda & T.B.Tran,is described and illustrated. It is distinguished from the morphologically similar Hoya siamica Craib by corolla size, lamina shape, coloration, and orientation of the petioles.

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Cabactulan, Derek D., Michele Rodda, and Reynold Pimentel. "Hoya of the Philippines part I. Hoya migueldavidii (Apocynaceae, Asclepiadoideae), a new species from Northern Mindanao, Philippines." PhytoKeys 80 (June 5, 2017): 105–12. https://doi.org/10.3897/phytokeys.80.12872.

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A new species of Hoya R.Br. from Mindanao (Philippines), Hoya migueldavidii Cabactulan, Rodda & Pimentel, is described and illustrated. It is a member of Hoya section Acanthostemma (Blume) Kloppenb. that is particularly speciose in the Philippines. It is compared with the similar Hoya loheri Kloppenb, also endemic of the Philippines, from which it differs in indumentum of the vegetative parts (pubescent vs. glabrous), the shape of the corolla (almost spherical vs. partly flattened) and the type of gynostegium (not stipitate vs. stipitate)

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Basir, Syazwani, Mohd Faiz Mat Saad, Mohamad Ruzi Abdul Rahman, Noraini Talip, Syarul Nataqain Baharum, and Hamidun Bunawan. "Floral Nectary and Trichome Structure of Hoya cagayanensis, Hoya lacunosa, and Hoya coriacea (Apocynaceae, Marsdenieae)." Horticulturae 8, no. 5 (2022): 420. http://dx.doi.org/10.3390/horticulturae8050420.

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Hoya R.Br. is a genus of ornamental plants with an attractive flower shape and unique scents. Anatomical studies are required to understand their structure that produces, and stores, the metabolites released by plants. The present study was conducted to determine the type and position of floral glands in three Hoya species: Hoya cagayanensis C.M Burton, Hoya lacunosa Blume, and Hoya coriacea Blume. The investigations were carried out using light microscopy (LM), scanning electron microscopy (SEM), and histochemical staining tests. Secondary nectaries were present in the corona lobe portion, wh

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KIDYOO, MANIT. "Hoya phuwuaensis (Apocynaceae: Asclepiadoideae), a new species from Northeastern Thailand." Phytotaxa 282, no. 3 (2016): 218. http://dx.doi.org/10.11646/phytotaxa.282.3.5.

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The new species, Hoya phuwuaensis is described and illustrated. It was discovered in Phu Wua Wildlife Sanctuary, Bueng Kan Province, northeastern Thailand. Hoya phuwuaensis is similar to the widespread and common species H. caudata. Both species have prominent mottling of silver spots on the adaxial leaf surface and positively geotropic inflorescences with slender peduncles. However, the new species can be distinguished from H. caudata by its elliptic leaf with cuneate base, obovate-oblong corona lobe and triangular anther appendages.Brown, R. (1810) Prodromus Florae Novae Hollandiae et Insula

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Rahayu, Sri, and Badiah Badiah. "STRATEGI KONSERVASI TUMBUHAN HOYA DI BODOGOL, CAGAR BIOSFER TAMAN NASIONAL GUNUNG GEDE PANGRANGO MELALUI PROMOSI EKOWISATA." RISALAH KEBIJAKAN PERTANIAN DAN LINGKUNGAN Rumusan Kajian Strategis Bidang Pertanian dan Lingkungan 6, no. 3 (2019): 176–87. http://dx.doi.org/10.29244/jkebijakan.v6i3.28034.

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Taman Nasional Gunung Gede Pangrango (TNGGP) merupakan salah satu kawasan konservasi in situ di Jawa Barat dan telah ditetapkan sebagai cagar biosfer sejak tahun 1976 karena nilai keanekaragaman hayati dan jasa lingkungannya bagi masyarakat sekitar. Prinsip konservasi yang berkembang saat ini tidak hanya melalui pengawetan jenis namun juga harus bisa mengakomodasi dan mengatur pemanfaatan secara lestari. Keterkaitan dengan posisi TNGGP sebagai kawasan cagar biosfer, diperlukan harmonisasi antara kepentingan konservasi kawasan dan biodiversitas yang terkandung di dalamnya dengan kesejahteraan m

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Rahayu, Sri, and Badiah Badiah. "STRATEGI KONSERVASI TUMBUHAN HOYA DI BODOGOL, CAGAR BIOSFER TAMAN NASIONAL GUNUNG GEDE PANGRANGO MELALUI PROMOSI EKOWISATA." RISALAH KEBIJAKAN PERTANIAN DAN LINGKUNGAN Rumusan Kajian Strategis Bidang Pertanian dan Lingkungan 8, no. 3 (2021): 176–87. http://dx.doi.org/10.29244/jkebijakan.v8i3.28034.

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Taman Nasional Gunung Gede Pangrango (TNGGP) merupakan salah satu kawasan konservasi in situ di Jawa Barat dan telah ditetapkan sebagai cagar biosfer sejak tahun 1976 karena nilai keanekaragaman hayati dan jasa lingkungannya bagi masyarakat sekitar. Prinsip konservasi yang berkembang saat ini tidak hanya melalui pengawetan jenis namun juga harus bisa mengakomodasi dan mengatur pemanfaatan secara lestari. Keterkaitan dengan posisi TNGGP sebagai kawasan cagar biosfer, diperlukan harmonisasi antara kepentingan konservasi kawasan dan biodiversitas yang terkandung di dalamnya dengan kesejahteraan m

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Ngà, Nguyễn Thị Thu, Manivanh Yongsa та Sỹ Danh Thường. "ĐẶC ĐIỂM HÌNH THÁI VÀ TRÌNH TỰ rps16-trnQ LOÀI CẨM CÙ LỘC (Hoya lockii V.T.Pham & Aver.)". TNU Journal of Science and Technology 229, № 09 (2024): 298–305. http://dx.doi.org/10.34238/tnu-jst.10222.

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Cẩm cù lộc (Hoya lockii V.T.Pham & Aver) là loài thực vật đặc hữu của Việt Nam. Nhận dạng chi Hoya dựa vào một số đặc điểm chính là: số cặp gân trên phiến lá, lá nhẵn hay có lông, số lượng hoa trên 1 cụm hoa, số lượng thùy của tràng, màu sắc của hoa và một số đặc điểm khác. Vì vậy, để nhận dạng các loài thuộc chi Hoya cần có đầy đủ các đặc điểm hình thái. Vùng rps16-trnQ là một vùng tiến hóa thay đổi về cấu trúc như đảo ngược, chuyển vị... với mức độ nhanh hơn các vùng khác. Trong nghiên cứu này, các đặc điểm hình thái ngoài, hình thái giải phẫu hiển vi rễ, thân và lá đã được phân tích và

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Sultana, Tania, Mohammed Jashimuddin, and Md Habibul Hasan. "Leaf Litter Decomposition and Associated Nutrient Release Dynamics Under Varying Temperature and Precipitation in a South Asian Tropical Forest." Journal of Soil, Plant and Environment 4, no. 1 (2025): 94–111. https://doi.org/10.56946/jspae.v4i1.690.

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Litter decomposition plays a vital role in nutrient cycling and maintaining ecosystem functionality, particularly in forested landscapes. However, the decomposition dynamics of common tropical timber species remain underexplored in many regions, including Bangladesh. This study investigated the leaf litter decomposition and associated nutrient (nitrogen, phosphorus, potassium) release patterns of five widely planted timber species, Chukrasia tabularis, Dipterocarpus turbinatus, Hopea odorata, Tectona grandis, and Swietenia macrophylla on the Chittagong University campus. Using the litter bag m

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Cường, Hoàng Việt, Phạm Thị Thu Hiền, Từ Quang Tân та Chu Hoàng Mậu. "PHÂN TÍCH SỰ PHÁT SINH CHỦNG LOẠI DỰA TRÊN TRÌNH TỰ psbZ-rps14 VÀ rbcL-accD NHẰM HỖ TRỢ ĐỊNH DANH LOÀI LAN TAI CÁO (Hoya varticillata var varticillata)". TNU Journal of Science and Technology 230, № 01 (2024): 177–84. https://doi.org/10.34238/tnu-jst.10996.

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Lan tai cáo (Hoya verticillata var. verticillata) là cây hoa cảnh và cây dược liệu quý, chứa nhiều dược chất có hoạt tính sinh học. Trong y học truyền thống, Lan tai cáo được sử dụng làm thuốc lợi sữa, chữa trị vết thương, gãy xương. Lan tai cáo có hình thái tương tự một số loài thuộc chi Hoya, nên khó nhận diện. Khi rễ, thân, lá thay đổi hình dạng hoặc ở dạng bột do tác động cơ học lại càng khó phân biệt. Mục tiêu của nghiên cứu này là xác định chỉ thị DNA để hỗ trợ định danh loài Lan tai cáo. Sử dụng phương pháp phân tích tiến hoá phân tử, dựa trên trình tự vùng đệm của hệ gene lục lạp có gi

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Madhushree, E. N., Hanumantharayappa B, and B. Lakshmi Bhargavi. "Evaluation of Hepatoprotective Activity of Ethanolic Extract of Hopea erosa Leaves against Paracetamol Induced Hepatotoxicity in Rats." UTTAR PRADESH JOURNAL OF ZOOLOGY 46, no. 11 (2025): 255–65. https://doi.org/10.56557/upjoz/2025/v46i115025.

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The study investigates the hepatoprotective effects of the ethanolic extract of Hopea erosa leaves against paracetamol-induced liver toxicity in Wistar albino rats. Liver damage was induced using a high dose of paracetamol (1000 mg/kg), and the therapeutic effects of Hopea erosa at two different doses (200 mg/kg and 400 mg/kg) were compared with a standard hepatoprotective drug, silymarin (100 mg/kg). Preliminary phytochemical analysis confirmed the presence of active compounds such as flavonoids, tannins, alkaloids, and steroids in the extract. Acute toxicity studies indicated the safety of t

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M.S., Sanil, Sreekumar V.B., and P. K. Verma. "Lectotypification of Hopea canarensis." Rheedea 30, no. 4 (2020): 479–80. http://dx.doi.org/10.22244/rheedea.2020.30.04.09.

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Tang, Wen-Xiu, Wan-Juan Dai, Xing-Hua Hu, and Shi-Xun Huang. "ISSR-based genetic diversity of wild and ex situ conserved population of Hopea chinensis (Merr.) Hand.-Mazz." Bangladesh Journal of Botany 44, no. 3 (2018): 407–13. http://dx.doi.org/10.3329/bjb.v44i3.38547.

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The genetic diversity and structure of 4 wild population and 2 ex situ conserved population of Hopea chinensis (Merr.) Hand.-Mazz were analyzed and compared by ISSR marker method. Fifty eight bands were amplified from total genomic DNA with 10 primers in which there were 51 polymorphic, the percentage of polymorphic bands of populations ranged from 53.45 to 79.31, with an average value of 69.82, indicating the presence of high genetic diversity. However, the percentage of polymorphic band, Nei’s diversity index (He) and Shannon information index (I) of wild populations (86.21, 0.3636 and 0.523

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Atun, Sri, Nurfina Aznama, Retno Arianingrum, and Masatake Niwab. "STRUCTURE IDENTIFICATION OF A TRIMER STILBENOID COMPOUND FROM STEM BARK Hopea nigra (DIPTEROCARPACEAE)." Indonesian Journal of Chemistry 5, no. 3 (2010): 211–14. http://dx.doi.org/10.22146/ijc.21791.

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Bioactivity as antihephatotoxic directed fractionation of aceton extract from the stem bark of Hopea nigra (Dipterocarpaceae) afforded a stilbenoid trimer, namely vaticanol G (1). The structure of this compound were elucidated based on physical and spectroscopic data (UV, IR, MS, 1H and 13C NMR 1D and 2D). Keywords: Vaticanol G; Hopea nigra; antihepatotoxic; Dipterocarpaceae.

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Alejandro, Glorilyn B. "Sensory Evaluation of Hopyang Gabi (Colacasia Esculenta) Con Mais (Zea Mays) Pastry Product: Food Product Development." International Journal of Innovative Research in Multidisciplinary Education 03, no. 07 (2024). http://dx.doi.org/10.58806/ijirme.2024.v3i7n03.

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This study focused on the development of the food product "Hopyang Gabi Con Mais" and evaluation of its quality and potential for acceptability in order to improve nutrition through organic foods and assist families in diversifying their food sources. Hopyang Gabi Con Mais was produced from taro roots, and white corn. Increase in nutritive content like nutrients, vitamins and minerals of the product are obtained from taro root and white corn. Taro plant is a powerhouse of nutrients. It roots contain vitamins like folate, niacin, pantothenic acid, pyridoxine, riboflavin, thiamine, vitamin A, vi

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"Hopea hainanensis (Hainan hopea)." CABI Compendium CABI Compendium (January 7, 2022). http://dx.doi.org/10.1079/cabicompendium.27618.

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Çubukçuoğlu, Cemre. "HOPCA." Architecture and the Built Environment, 2023. http://dx.doi.org/10.59490/abe.2023.03.6891.

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Zhang, Li, Hai-Li Zhang, Yukai Chen, Mir Muhammad Nizamani, Qin Zhou, and Xiting Su. "Analyses of community stability and inter-specific associations between a plant species with extremely small populations (Hopea hainanensis) and its associated species." Frontiers in Ecology and Evolution 10 (September 20, 2022). http://dx.doi.org/10.3389/fevo.2022.922829.

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Hopea hainanensis is a large evergreen tree belonging to the family Dipterocarpaceae. It is currently listed as an endangered species on the International Union for Conservation of Nature’s (IUCN) Red List of Threatened Species. It is found primarily on China’s Hainan Island and northern Vietnam. To protect the plant species with extremely small populations Hopea hainanensis and understand its community stability and the inter-specific associations between Hopea hainanensis and other occurring species, we set up 16 quadrats in the areas where wild Hopea hainanensis populations occurred on Hain

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"Hopea exalata." CABI Compendium CABI Compendium (January 7, 2022). http://dx.doi.org/10.1079/cabicompendium.27609.

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"Hopea odorata." CABI Compendium CABI Compendium (January 7, 2022). http://dx.doi.org/10.1079/cabicompendium.27631.

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This datasheet on Hopea odorata covers Identity, Overview, Associated Diseases, Pests or Pathogens, Distribution, Biology & Ecology, Environmental Requirements, Uses, Management, Genetics and Breeding, Economics, Further Information.

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"Hopea mengarawan." CABI Compendium CABI Compendium (January 7, 2022). http://dx.doi.org/10.1079/cabicompendium.27626.

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"Hopea bracteata." CABI Compendium CABI Compendium (January 7, 2022). http://dx.doi.org/10.1079/cabicompendium.27604.

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"Hopea plagata." CABI Compendium CABI Compendium (January 7, 2022). http://dx.doi.org/10.1079/cabicompendium.27637.

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"Hopea woodiana." CABI Compendium CABI Compendium (January 7, 2022). http://dx.doi.org/10.1079/cabicompendium.27647.

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"Hopea sangal." CABI Compendium CABI Compendium (January 7, 2022). http://dx.doi.org/10.1079/cabicompendium.27642.

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"Hopea forbesii." CABI Compendium CABI Compendium (January 7, 2022). http://dx.doi.org/10.1079/cabicompendium.27611.

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"Hopea semicuneata." CABI Compendium CABI Compendium (January 7, 2022). http://dx.doi.org/10.1079/cabicompendium.27643.

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"Hopea foxworthyi." CABI Compendium CABI Compendium (January 7, 2022). http://dx.doi.org/10.1079/cabicompendium.27613.

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