Academic literature on the topic 'Dracaenaceae'

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Journal articles on the topic "Dracaenaceae"

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Ojeda-Revah, Lina, and Beatriz Ludlow-Wiechers. "Palinología de Agavaceae, una contribución biosistemática." Botanical Sciences, no. 56 (April 26, 2017): 25. http://dx.doi.org/10.17129/botsci.1462.

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The pollen of 15 genera and 36 species of the family Agavaceae were studied, based on Hutchinson' s classification. Observations were made with LM and SEM. Different taxonomical classifications are reviewed considering pollen morphology, geographical distribution, chromosome number and ovary position. From palynological point of view, Dahlgren et al., last classification agrees with the results obtained. Pollen samples studied show two levels of morphological behaviour: at an interespecific level there is little or no variation and at a generic level the following patterns are observed: a) semitectate and mainly monosulcate: Agave, Beschorneria, Dasylirion, Furcraea, Hesperaloii, Manfreda and Polianthes sometimes disulcate (Agavaceae, Agavoideae); b) tectate-perforate and monosulcate: Yucca (Agavaceae, Yuccoideae) and Dracaena americana (Dracaenaceae); c) tectate perforate to microreticulate and monosulcate to disulcate: Beaucamea, Calibamis and Nolina (Nolinaceae); d) intectate verrugate and monosulcate: Hasta (Funkiaceae); e) semitectate to tectate perforate and trichotomosulcate: Phormium (Phormiaceae); f) fosulate and monosulcate: Cordyline (Asteliaceae) and Dracaenafragans (Dracaenaceae) and g) psilate and ulcerate: Sansevieria (Dracaenaceae).
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Takawira, R., and I. Nordal. "THE GENUS SANSEVIERIA (FAMILY DRACAENACEAE) IN ZIMBABWE." Acta Horticulturae, no. 572 (February 2002): 189–98. http://dx.doi.org/10.17660/actahortic.2002.572.22.

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Saxena, Gaurav, Abhilasha Mittal, and Abdul Wadood Siddiqui. "Evaluation of acute and subchronic toxicity of dragon blood resin extract." Journal of Drug Delivery and Therapeutics 9, no. 2 (March 27, 2019): 362–66. http://dx.doi.org/10.22270/jddt.v9i2.2435.

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Draceana cinnabari (Dracaenaceae) is traditionally used in the treatment of wounds, leucorrhea, fractures, and diarrhoea. Herein, we performed a pre-clinical safety evaluation of extract of Draceana cinnabari resin on Spradgue Dawley rats. Toxicological codicil of the extract was carried out following OECD guidelines 423 and 407, with minor changes. DC resin methanol extract administered to the rats by oral gavage at 50, 500, 1500, and 2500 mg/kg body weight daily up to 28 days to male and female rats. Herbal extract could most likely be very much endured up to the dose 2000 mg/kg body weight and could be named Category 4. Oral toxicity studies confirm that Draceana cinnabari has no therapy-related demise or toxic signs on rats. Therefore, the resin, ought to be suitably considered for additional research for its medicinal and therapeutic efficacy. Keywords: Dracaenaceae, DC extract, Resin, Acute toxicity, Sub Chronic Toxicity
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Newton, Leonard E., and Joachim Thiede. "Rank Adjustments for the Infraspecific Taxa ofSansevieria pinguiculaP.R.O.Bally (Asparagaceae/Dracaenaceae)." Cactus and Succulent Journal 87, no. 1 (January 2015): 28–32. http://dx.doi.org/10.2985/015.087.0105.

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Adrián, Martín-Taboada, Muñoz Antonio Román, and Díaz-Ruiz Francisco. "Updating the distribution of the exotic agave weevil Scyphophorus acupunctatus Gyllenhal, 1838 (Coleoptera: Curculionidae) in peninsular Spain." Anales de Biología, no. 41 (May 31, 2019): 49–53. http://dx.doi.org/10.6018/analesbio.41.07.

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Las invasiones biológicas se consideran en la actualidad como uno de los principales factores que condicionan la pérdida de biodiversidad en el planeta. En las últimas décadas, se ha incrementado el número de especies exóticas/invasoras detectadas en España. Este es el caso del picudo negro (Scyphophorus acupunctatus), un coleóptero (familia Curculionidae) originario de América, especializado en el consumo de plantas de las familias Agavaceae y Dracaenaceae. Detectado por primera vez en España en 2007, en Barcelona, ha sufrido una amplia expansión por todo el arco Mediterráneo. A partir de la recopilación de citas obtenidas de diferentes bases de datos, así como de otras obtenidas por los autores, se presenta una actualización de la distribución de esta especie para la España peninsular, discutiendo su potencial invasor. Biological invasions are considered one of the main factors conditioning the loss of biodiversity on the planet. During the last decades an increase in the number of exotic/invasive species has been detected in Spain. This is the case of the agave weevil (Scyphophorus acupunctatus), an American coleoptera (Curcu­lionidae family) specialized in plants of the families Agavaceae and Dracaenaceae. It was detected for the first time in Spain in Barcelona in 2007. Since then it has suffered a wide expansion throughout the Iberian Mediterranean arc. From the compilation of citations obtained from different databases, as well as others obtained by the authors, an update of the distribution of this species is presented for peninsular Spain. We also discussed its invasive potential.
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la Croix, Isobyl. "Two New Species of Sansevieria Thunb. (Dracaenaceae) from the Flora Zambesiaca Area." Kew Bulletin 59, no. 4 (2004): 617. http://dx.doi.org/10.2307/4110922.

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Thiede, Joachim, and Pastor Theo Peter Campbell-Barker. "Sansevieria burdettii (Asparagaceae/Dracaenaceae): its history, introduction and distribution, with new localities." Bradleya 33, no. 33 (October 20, 2015): 27–33. http://dx.doi.org/10.25223/brad.n33.2015.a5.

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Jaarsveld, Ernst J. van. "Dracaena transvaalensis Bak., (Dracaenaceae) the dragon tree of the Limpopo Province, South Africa." Bradleya 34, no. 34 (November 2016): 230–36. http://dx.doi.org/10.25223/brad.n34.2016.a11.

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Wankeu-Nya, M., P. Watcho, TB Nguelefack, M. Carro-Juarez, L. Tapondjou, and A. Kamanyi. "Effects of Dracaena arborea (Dracaenaceae) on sexual dysfunction in 4 weeks hyperglycemic male rats." Asian Pacific Journal of Tropical Medicine 7, no. 8 (August 2014): 609–19. http://dx.doi.org/10.1016/s1995-7645(14)60103-6.

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Tchegnitegni, Billy T., Rémy B. Teponno, Kristina Jenett-Siems, Matthias F. Melzig, Tomofumi Miyamoto, and Léon A. Tapondjou. "A dihydrochalcone derivative and further steroidal saponins from Sansevieria trifasciata Prain." Zeitschrift für Naturforschung C 72, no. 11-12 (October 26, 2017): 477–82. http://dx.doi.org/10.1515/znc-2017-0027.

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AbstractPhytochemical investigation of the aerial parts ofSansevieria trifasciata, one of the most common Dracaenaceae plants, has resulted in the isolation of a new dihydrochalcone derivative named trifasciatine C (1), four previously unreported steroidal saponins as two pairs of inseparable regioisomers: trifasciatosides K/L (2/3), M/N (4/5), together with the known 1,2-(dipalmitoyl)-3-O-β-D-galactopyranosylglycerol (6), aconitic acid (7), and 1-methyl aconitic acid (8). Their structures were elucidated mainly by extensive spectroscopic analysis (1D and 2D nuclear magnetic resonance) and high-resolution electronspray ionization-mass spectrometry, as well as chemical methods and comparison of their spectral data with those of related compounds. Compounds2/3and4/5were evaluated for their antiproliferative activity on Hela cells, and no significant effect was observed.
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Dissertations / Theses on the topic "Dracaenaceae"

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Mbugua, Paul Kamau. "Systematic studies of the genus Sansevieria petagna (Dracaenaceae salisb.)." Thesis, University of Reading, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.262453.

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Kougan, Nkwokap Guy Beddos. "Isolement et caractérisation des saponosides de trois plantes de la famille des araliaceae et dracaenaceae et évaluation de leurs activités cytotoxiques sur cellules tumorales." Phd thesis, Université de Bourgogne, 2010. http://tel.archives-ouvertes.fr/tel-00841944.

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L'intérêt des substances d'origine naturelle, potentiellement anti-tumorales nous a amené à nous intéresser aux saponines triterpéniques et stéroïdiques de plantes issues de la biodiversité africaine de la famille des Araliaceae et des Dracaenaceae. En effet, des études antérieures menées sur quelques plantes de ces deux familles ont conduit à l'obtention de molécules complexes et originales possédant d'excellentes propriétés cytotoxiques, immuno-modulatrices, anti-inflammatoires. Au vu de ces résultats nous avons entrepris des investigations pharmaco-chimiques sur Cussonia arborea (Araliaceae), Dracaena deisteliana et Dracaena arborea (Dracaenaceae), plantes médicinales couramment utilisées en pharmacopée traditionnelle africaine pour traiter différentes maladies. Les travaux menés ont conduit à l'isolement de 31 composés purs en utilisant les différentes techniques analytiques du laboratoire notamment les diverses techniques de chromatographie liquide successive à pression atmosphérique, moyenne pression et flash chromatographie sur silice en phase normale et en phase inverse. Les structures ont été déterminées par les méthodes de spectrométrie de masse en source FAB et de spectroscopie de RMN 1D et 2D (COSY, TOCSY, NOESY, HMBC et HSQC). Parmi les 07 composés purs obtenus des écorces de Cussonia arborea, 5 sont des nouvelles saponines triterpéniques dont un dérivé de l'acide ursolique, un dérivé de l'hédéragénine et trois dérivés de l'acide oléanolique, tous disubstitués en position 3 et 28 par des chaînes oligosaccharidiques. 13 composés purs sont obtenus à partir des feuilles de Cussonia arborea, dont 7 nouvelles saponines triterpéniques dérivés de l'acide ursolique, de l'acide 23-hydroxyursolique, de l'hédéragénine et de l'acide oléanolique dont 04 d'entre elles sont obtenues sous forme de mélanges inséparables d'isomères acide oléanolique/acide ursolique et hédéragénine/acide 23-hydroxyursolique. A partir des écorces de Dracaena arborea et des tiges de Dracaena deisteliana, nous avons isolé et caractérisé 10 saponines stéroïdiques dont 4 nouvelles et une sapogénine. Les activités de certains de ces produits purs ont été évaluées sur deux lignées de cellules cancéreuses coliques humaines HCT 116 et HT-29.
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Books on the topic "Dracaenaceae"

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Eriospermaceae, Dracaenaceae, Arecaceae (Palmae), Pontederiaceae, Bromeliaceae, Mayacaceae. Kew Publishing, 2010.

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Book chapters on the topic "Dracaenaceae"

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Bos, J. J. "Dracaenaceae." In Flowering Plants · Monocotyledons, 238–41. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-662-03533-7_30.

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Walker, C. C. "Dracaenaceae." In Illustrated Handbook of Succulent Plants: Monocotyledons, 258–72. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56715-5_13.

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Mbugua, P. K., and D. M. Moore. "Taxonomic studies of the genus Sansevieria (Dracaenaceae)." In The Biodiversity of African Plants, 489–92. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-0285-5_62.

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