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Journal articles on the topic 'Xyris'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Machado, S. R., and M. G. Sajo. "Intercellular pectic protuberances in leaves of some Xyris species (Xyridaceae)." Canadian Journal of Botany 74, no. 9 (1996): 1539–41. http://dx.doi.org/10.1139/b96-184.

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Mature leaves of eight species of Xyris were prepared by standard methods for electron transmission microscopy. Wartlike intercellular pectic protuberances were observed on the surface of inner periclinal walls of epidermal cells in Xyris obcordata, Xyris hymenachne, and Xyris pterygoblephara. In the latter, the protuberances also occur on the surface of parenchymatic mesophyll cells; they frequently project into intercellular spaces and may connect opposing cells. For the genus Xyris, the intercellular pectic protuberances may be considered taxonomically significant at the species level. Keyw

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2

Doust, AN, and BJ Conn. "Xyris L. section Xyris (Xyridaceae) in Australia." Australian Systematic Botany 7, no. 5 (1994): 455. http://dx.doi.org/10.1071/sb9940455.

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A systematic study of the Australian species of Xyris section Xyris is presented. Seven species are recognised, of which Xyris cheumatophila A.N. Doust & B.J. Conn is described for the first time. All recognised taxa are provided with descriptions (including illustrations), distribution information (including maps), habitat descriptions, nomenclatural and other relevant notes. Lectotypes are here designated for all previously described Australian species of section Xyris which are accepted by us. An iconotype of the name of X. indica (the type of the genus) is here chosen.

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3

Lozano, Eduardo Damasceno, Eric De Camargo Smidt, and Maria Das Graças Wanderley. "A new species of Xyris (Xyridaceae) from Brazil." Phytotaxa 245, no. 1 (2016): 84. http://dx.doi.org/10.11646/phytotaxa.245.1.11.

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A new species of Xyris from the Southern and Southeastern regions of Brazil is described herewith. Xyris cervii belongs to Xyris section Nematopus, which is characterized by having basal to central placentation. Xyris cervii is morphologically similar to X. tortula, but differs by its deliquescent sheath with long hairs at the margin sheath, in addition to lanceolate and sub-equilateral, lateral sepals. A description, illustrations, geographic distribution and taxonomic comments are also provided.

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4

Madyira, Daniel M., and Kehinde O. Olatunji. "Enhancing methane yield from duck waste by co-digestion with Xyris capensis." E3S Web of Conferences 433 (2023): 01002. http://dx.doi.org/10.1051/e3sconf/202343301002.

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This study examined the possibilities of enhancing methane yield from anaerobic digestion of Xyris capensis and duck wastes based on improved feeding composition and the C/N ratio. Batch anaerobic digestion of Xyris capensis and duck wastes was conducted at mesophilic temperature (37 ± 2 °C) with the mixing ratios of 100:0, 75:25, 50:50, 25:75, and 0:100% of duck wastes: Xyris capensis. The highest methane yield of 301.17 mL CH4/ gVSadded was recorded when the mixing ratio of 50:50% (duck wastes: Xyris capensis) and C/N ratio of 19.26 was digested. The biodegradability (BD) of duck wastes and

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5

MOREL, JÉRÉMIE, and JÉRÔME MUNZINGER. "Novitates neocaledonicae. XIII. Taxonomy and nomenclature of the genus Xyris (Xyridaceae, Poales) in New Caledonia, with description of a new species." Phytotaxa 502, no. 3 (2021): 219–29. http://dx.doi.org/10.11646/phytotaxa.502.3.1.

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Three endemic species of Xyris (Xyridaceae, Poales) are currently recognized in New Caledonia. A recent multivariate analysis of 18 morphological characters based on 129 specimens of Xyris from New Caledonia, supported by 10 anatomical and micromorphological observations, suggested that three species should be recognized in the New Caledonian archipelago. However, the three published names did not correspond to the three entities identified via the multivariate analyses. The results showed that Xyris neocaledonia Rendle was morphologically distinct but requires lectotypification, Xyris guillau

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6

Lozano, Eduardo Damasceno, Eric de Camargo Smidt, and Maria das Graças Lapa Wanderley. "Estudos taxonômicos das Xyridaceae no estado do Paraná, Brasil." Rodriguésia 69, no. 4 (2018): 1737–69. http://dx.doi.org/10.1590/2175-7860201869416.

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Resumo É apresentado o estudo taxonômico da família Xyridaceae para o estado do Paraná, a qual é representada apenas pelo gênero Xyris, com 22 espécies típicas de ambientes campestres. São referidos três novos registros para o estado: Xyris glandacea, X. metallica e X. uninervis, ampliando a área de distribuição destas para a Região Sul do Brasil. Outras novidades são um novo sinônimo (Xyris simulans var. subtortula sob X. asperula) e o restabelecimento de X. dusenii. São apresentados chave de identificação, descrições, comentários, ilustrações e dados sobre a distribuição geográfica das espéc

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7

Ventura, Claiton Pires, Alaíde Braga de Oliveira, and Fernão Castro Braga. "Antimicrobial activity of Trembleya laniflora , Xyris platystachia and Xyris pterygoblephara." Revista Brasileira de Farmacognosia 17, no. 1 (2007): 17–22. http://dx.doi.org/10.1590/s0102-695x2007000100005.

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8

Mota, Nara F. O., and Maria G. L. Wanderley. "Xyris riopretensis (Xyridaceae): uma nova espécie para Minas Gerais, Brasil." Rodriguésia 64, no. 3 (2013): 555–60. http://dx.doi.org/10.1590/s2175-78602013000300007.

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Xyris é um gênero com ca. 400 espécies, distribuídas predominantemente na região tropical, podendo chegar em áreas temperadas das Américas e Austrália. A Cadeia do Espinhaço concentra grande riqueza de espécies de Xyris, gênero que figura entre os mais ricos dentre as monocotiledôneas ocorrentes nessa cadeia montanhosa. Este trabalho apresenta uma nova espécie de Xyris em homenagem à sua localidade tipo, o Parque Estadual do Rio Preto, localizado no extremo nordeste do Planalto de Diamantina, na Cadeia do Espinhaço (Minas Gerais). São fornecidas ilustrações dos caracteres diagnósticos, compara

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9

Conn, Barry J., and Andrew N. L. Doust. "Xyris L. Section Pomatoxyris Endl. (Xyridaceae) in Australia." Australian Systematic Botany 10, no. 2 (1997): 189. http://dx.doi.org/10.1071/sb96014.

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A systematic study of the endemic Australian sectionPomatoxyris Endl. of the genusXyris is presented. Eighteen species are recognised, ofwhich Xyris atrovirida, X. exilisand X. maxima A.N.Doust & B.J.Conn are described forthe first time. Xyris bracteata R.Br. is reinstated forthe taxon more recently known as Xyris gracilis R.Br.subsp. laxa O.D.Evans.Xyris gracilis R.Br. subsp.tasmanica D.I.Morris is here raised to specific statusas X. tasmanica (D.I.Morris) A.N.Doust & B.J.Conn.All recognised taxa are provided with descriptions, distribution information(including maps), habitat descrip

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10

Madyira, Daniel M., and Kehinde O. Olatunji. "Alkali Pretreatment of Lignocellulose Feedstock Improves Morphological Structure and Biomethane Yield." Sustainability 17, no. 2 (2025): 534. https://doi.org/10.3390/su17020534.

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This study investigates the effects of NaOH pretreatment on the microstructural distribution and biomethane released from Xyris capensis. Xyris capensis was pretreated with NaOH using 1, 2, 3, 4, and 5% w/w concentrations for 60, 45, 30, 20, and 15 min of exposure time, respectively, at a 90 °C autoclave temperature. The impacts of the pretreatment technique on microstructural arrangement, crystallinity, and functional groups were examined with a scanning electron microscope (SEM), X-ray diffraction, and Fourier transform infrared (FTIR), respectively. NaOH-pretreated and untreated feedstocks

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11

Ruangrungsi, Nijsiri, Toshikazu Sekine, Thatree Phadungcharoen, Suchada Suriyagan, and Isamu Murakoshi. "Isocoumarins from Xyris indica." Phytochemistry 38, no. 2 (1995): 481–83. http://dx.doi.org/10.1016/0031-9422(94)00714-5.

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12

Ruangrungsi, Nijsiri, Thatree Phadungcharoen, Suchada Suriyagan, Toshikazu Sekineb, Yuichi Fujiic, and Isamu Murakoshi. "Anthraquinones from Xyris indica." Thai Journal of Pharmaceutical Sciences 17, no. 4 (1993): 189–93. http://dx.doi.org/10.56808/3027-7922.1254.

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13

Wanderley, Maria das Graças Lapa. "Cinco novas espécies de Xyris (Xyridaceae) da Serra do Cipó, Minas Gerais, Brasil." Rodriguésia 61, no. 1 (2010): 83–94. http://dx.doi.org/10.1590/2175-7860201061108.

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Resumo São descritas e ilustradas cinco novas espécies de Xyris (Xyridaceae): X. anamariae Wand. & Kral, X. fredericoi Wand., X. kralii Wand., X. nanuzae Wand. e X. piranii Wand., endêmicas da Serra do Cipó, na Cadeia do Espinhaço de Minas Gerais. Xyris fredericoi, conhecida popularmente como "abacaxi-dourado", é uma das espécies com maior potencial ornamental da família, sendo proposta a inclusão da mesma na lista das espécies ameaçadas da flora brasileira.

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14

Wanderley, Maria das Graças Lapa, and Nara F. O. Mota. "Three new species of Xyris (Xyridaceae) from the Espinhaço Range, Brazil." Phytotaxa 204, no. 3 (2015): 213. http://dx.doi.org/10.11646/phytotaxa.204.3.4.

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Three new species of Xyris from Brazil are described and illustrated. Xyris nevata is characterized by bracts with conspicuous veins and a reddish androecium and gynoecium; X. pulchella also exhibits a reddish androecium and gynoecium, and is further characterized by its small size and terete to subterete leaf blades; X. rostrata has a turbinate spike and bracts with a rostrate-acuminate apex. Commentary is provided for each species on habitat, distribution, phenology and conservation status, and the new species are compared with morphologically similar species.

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15

Wanderley, Maria das Graças Lapa, and Maria das Graças Sajo. "Notas taxonômicas em Xyris L. (Xyridaceae)." Acta Botanica Brasilica 10, no. 2 (1996): 379–84. http://dx.doi.org/10.1590/s0102-33061996000200008.

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16

Kral, Robert, and Armando Urquiola. "Two Cuban Novelties in Xyris." Annals of the Missouri Botanical Garden 74, no. 3 (1987): 661. http://dx.doi.org/10.2307/2399331.

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17

Varanda, Elenice Mouro, Carlo Rondinoni, and Déborah Yara Alves Cursino dos Santos. "Flavonoids from Xyris species (Xyridaceae)." Biochemical Systematics and Ecology 30, no. 10 (2002): 997–98. http://dx.doi.org/10.1016/s0305-1978(02)00035-2.

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18

Ruangrungsi, Nijsiri, Thatree Phadungcharoen, Suchada Suriyagan, Toshikazu Sekine, and Isamu Murakoshi. "Two Sterols from Xyris indica." Thai Journal of Pharmaceutical Sciences 17, no. 3 (1993): 161–62. http://dx.doi.org/10.56808/3027-7922.1249.

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19

Barros Cota, Betânia, Alaíde Braga de Oliveira, Keller Guilherme Guimarães, Miriam Pimentel Mendonça, José Dias de Souza Filho, and Fernão Castro Braga. "Chemistry and antifungal activity of Xyris species (Xyridaceae): a new anthraquinone from Xyris pilosa." Biochemical Systematics and Ecology 32, no. 4 (2004): 391–97. http://dx.doi.org/10.1016/j.bse.2003.11.006.

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20

Wanderley, Maria das Graças Lapa. "Typification of binomials in Xyris section Nematopus (Xyridaceae) published by L.A. Nilsson." PhytoKeys 80 (June 5, 2017): 65–76. https://doi.org/10.3897/phytokeys.80.12348.

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A nomenclatural revision of fifteen taxa of Xyris (Xyridaceae) described by L.A. Nilsson (1892) is presented as part of a taxonomic revision of the genus in Brazil. All the protologues and type collections of these taxa were studied. The type collections were examined in the respective herbarium collections where they are preserved and complemented by images available on herbarium websites and from JSTOR Global Plants. Lectotypes were selected for Xyris cristata L.A.Nilsson, X. glaziowii L.A.Nilsson and X. insignis L.A.Nilsson. The holotypes, of X. glandacea L.A.Nilsson and X. stenophylla L.A.

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21

Brylska, B. "Un Xyris nouveau (Xyridaceae) du Zaire." Bulletin du Jardin botanique national de Belgique / Bulletin van de National Plantentuin van België 58, no. 3/4 (1988): 549. http://dx.doi.org/10.2307/3668308.

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22

Urquiola Cruz, Armando, and Robert Kral. "New species of Xyris from Cuba." Annals of the Carnegie Museum 65, no. 3 (1996): 297–303. http://dx.doi.org/10.5962/p.234775.

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23

Ruangrungsi, Nijsiri, Toshikazu Sekine, Thatree Phadungcharoen, Suchada Suriyagan, and Isamu Murakoshi. "Two New Isocoumarins from Xyris indica." Thai Journal of Pharmaceutical Sciences 17, no. 3 (1993): 125–29. http://dx.doi.org/10.56808/3027-7922.1245.

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24

Urquiola, Cruz Armando, and Robert Kral. "New species of Xyris from Cuba." Annals of the Carnegie Museum 65 (August 30, 1996): 297–303. https://doi.org/10.5281/zenodo.13477428.

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25

Urquiola, Cruz Armando, and Robert Kral. "New species of Xyris from Cuba." Annals of the Carnegie Museum 65 (August 30, 1996): 297–303. https://doi.org/10.5281/zenodo.13477428.

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26

Urquiola, Cruz Armando, and Robert Kral. "New species of Xyris from Cuba." Annals of the Carnegie Museum 65 (August 30, 1996): 297–303. https://doi.org/10.5281/zenodo.13477428.

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27

Urquiola, Cruz Armando, and Robert Kral. "New species of Xyris from Cuba." Annals of the Carnegie Museum 65 (August 30, 1996): 297–303. https://doi.org/10.5281/zenodo.13477428.

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28

Urquiola, Cruz Armando, and Robert Kral. "New species of Xyris from Cuba." Annals of the Carnegie Museum 65 (August 30, 1996): 297–303. https://doi.org/10.5281/zenodo.13477428.

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29

Wanderley, Maria G. L., and Nara F. O. Mota. "Three new species of Xyris (Xyridaceae) from the Espinhaço Range, Brazil." Phytotaxa 204, no. 3 (2015): 213–22. https://doi.org/10.11646/phytotaxa.204.3.4.

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Wanderley, Maria G. L., Mota, Nara F. O. (2015): Three new species of Xyris (Xyridaceae) from the Espinhaço Range, Brazil. Phytotaxa 204 (3): 213-222, DOI: 10.11646/phytotaxa.204.3.4, URL: http://dx.doi.org/10.11646/phytotaxa.204.3.4

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30

Lozano, Eduardo Damasceno, Eric De Camargo Smidt, and Maria Das Graças Lapa Wanderley. "A new species of Xyris (Xyridaceae) from Brazil." Phytotaxa 245, no. 1 (2016): 84–88. https://doi.org/10.11646/phytotaxa.245.1.11.

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Lozano, Eduardo Damasceno, Smidt, Eric De Camargo, Wanderley, Maria Das Graças Lapa (2016): A new species of Xyris (Xyridaceae) from Brazil. Phytotaxa 245 (1): 84-88, DOI: 10.11646/phytotaxa.245.1.11, URL: http://dx.doi.org/10.11646/phytotaxa.245.1.11

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31

Guedes, Juliana Santos, and Maria das Graças Lapa Wanderley. "Xyridaceae na Serra do Cabral, Estado de Minas Gerais, Brasil." Hoehnea 42, no. 2 (2015): 367–97. http://dx.doi.org/10.1590/2236-8906-71/2014.

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RESUMO Xyridaceae é composta por cinco gêneros e aproximadamente 400 espécies. Possui distribuição Pantropical, com a maioria dos gêneros ocorrendo na região neotropical e apenas Xyris estendendo-se até áreas temperadas da América, Ásia e Austrália. Este trabalho teve como objetivo conhecer a diversidade das espécies de Xyridaceae na Serra do Cabral, contribuindo para o conhecimento das espécies da flora brasileira. A área de estudo localiza-se na região centro-norte do Estado de Minas Gerais, Brasil, compreendendo parte dos municípios de Augusto de Lima, Buenópolis, Joaquim Felício, Francisco

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32

Rakotonirina, Nivo, Martin W. Callmander, Peter B. Phillipson, and J. Michael Lock. "Two new species of Xyris L. (Xyridaceae) endemic to Madagascar with a key to the Malagasy species." Candollea 69, no. 2 (2014): 171–78. https://doi.org/10.15553/c2014v692a9.

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Rakotonirina, Nivo, Callmander, Martin W., Phillipson, Peter B., Lock, J. Michael (2014): Two new species of Xyris L. (Xyridaceae) endemic to Madagascar with a key to the Malagasy species. Candollea 69 (2): 171-178, DOI: 10.15553/c2014v692a9

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33

Morel, Jérémie, and Jérôme Munzinger. "Novitates neocaledonicae. XIII. Taxonomy and nomenclature of the genus Xyris (Xyridaceae, Poales) in New Caledonia, with description of a new species." Phytotaxa 502, no. 3 (2021): 219–29. https://doi.org/10.11646/phytotaxa.502.3.1.

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Morel, Jérémie, Munzinger, Jérôme (2021): Novitates neocaledonicae. XIII. Taxonomy and nomenclature of the genus Xyris (Xyridaceae, Poales) in New Caledonia, with description of a new species. Phytotaxa 502 (3): 219-229, DOI: 10.11646/phytotaxa.502.3.1, URL: http://dx.doi.org/10.11646/phytotaxa.502.3.1

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34

Brylska, B. "Un nouveau Xyris (Xyridaceae) du Zaire meridional." Bulletin du Jardin botanique national de Belgique / Bulletin van de National Plantentuin van België 60, no. 1/2 (1990): 139. http://dx.doi.org/10.2307/3668334.

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35

Sajo, Maria das Graças, and Silvia Rodrigues Machado. "Submicroscopical Features of Leaves of Xyris Species." Brazilian Archives of Biology and Technology 44, no. 4 (2001): 405–10. http://dx.doi.org/10.1590/s1516-89132001000400011.

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The leaf ultrastructure of five Xyris species were examined using scanning electron microscope (SEM), transmission electron microscope (TEM) and histochemical methods. All studied leaves show some features in epidermis and mesophyll, which were of considerable adaptative significance to drought stress. Such features included the occurrence of a pectic layer on the stomatal guard cells and the presence of a network of pectic compounds in the cuticle. Pectic compunds were also in abundance in lamellated walls of the mesophyll cells and on the inner surface of the sclerified cell walls of the vas

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36

Lock, J. M. "New Species of Xyris (Xyridaceae) from Tanzania." Kew Bulletin 57, no. 2 (2002): 445. http://dx.doi.org/10.2307/4111123.

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37

Kral, Robert. "Supplemental Notes on New World Xyris (Xyridaceae)." Novon 8, no. 4 (1998): 388. http://dx.doi.org/10.2307/3391862.

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38

Benko-Iseppon, Ana M., and Maria G. L. Wanderley. "Cytogenetic studies on Brazilian Xyris species (Xyridaceae)." Botanical Journal of the Linnean Society 138, no. 2 (2002): 245–52. http://dx.doi.org/10.1046/j.1095-8339.2002.138002245.x.

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39

da Conceição Moreira, F., P. D. O. Paiva, L. C. Silva, R. Paiva, and F. C. Nery. "DEHYDRATION AND CRYOPRESERVATION OF XYRIS CIPOENSIS SEEDS." Acta Horticulturae, no. 1039 (June 2014): 243–46. http://dx.doi.org/10.17660/actahortic.2014.1039.31.

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40

Olatunji, K. O., D. M. Madyira, and Z. Z. Rasmeni. "Enhancing biogas yield of Xyris capensis grass using different nanoparticles additive." IOP Conference Series: Earth and Environmental Science 1322, no. 1 (2024): 012001. http://dx.doi.org/10.1088/1755-1315/1322/1/012001.

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Abstract To enhance the efficiency of the anaerobic digestion process of lignocellulose feedstocks, there is a need for appropriate pretreatment methods. The influence of nanoparticles additive on biogas yield of new novel Xyris capensis grass as biogas feedstock was investigated. A laboratory-batch experiment was set up at mesophilic conditions (37 ± 2° C) to study the biogas production potential of Xyris capensis, and different nanoparticles were added as a means of pretreatment. 20 mg/L of Fe3O4, 1.4 mg/L of CuO, 10 mg/L of ZnO, and 10 mg/L of MgO were added to the anaerobic digestion proce

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41

Lisowski, S. "Xyris nouveaux (Xyridaceae) du Haut-Katanga (Congo-Kinshasa)." Systematics and Geography of Plants 69, no. 2 (1999): 205. http://dx.doi.org/10.2307/3668545.

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42

Kral, R., and M. G. L. Wanderley. "Five New Taxa of Xyris (Xyridaceae) from Brazil." Kew Bulletin 48, no. 3 (1993): 577. http://dx.doi.org/10.2307/4118722.

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43

Kral, Robert. "A Treatment of American Xyridaceae Exclusive of Xyris." Annals of the Missouri Botanical Garden 79, no. 4 (1992): 819. http://dx.doi.org/10.2307/2399721.

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44

Rudall, P. J., and M. G. Sajo. "Systematic Position of Xyris: Flower and Seed Anatomy." International Journal of Plant Sciences 160, no. 4 (1999): 795–808. http://dx.doi.org/10.1086/314162.

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45

Guimarães, Keller Guilherme, José Dias de Souza Filho, Thiago Rennó dos Mares-Guia, and Fernão Castro Braga. "Dihydroisocoumarin from Xyris pterygoblephara active against dermatophyte fungi." Phytochemistry 69, no. 2 (2008): 439–44. http://dx.doi.org/10.1016/j.phytochem.2007.08.002.

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46

Sajo, M. G. "Organização Vascular do Caule em Xyris L. (Xyridaceae)." Boletim de Botânica 13 (June 25, 1992): 49. http://dx.doi.org/10.11606/issn.2316-9052.v13i0p49-66.

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47

Mota, Nara Furtado de Oliveira, and Maria das Graças Lapa Wanderley. "Flora das cangas da Serra dos Carajás, Pará, Brasil: Xyridaceae." Rodriguésia 67, no. 5spe (2016): 1499–503. http://dx.doi.org/10.1590/2175-7860201667556.

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Resumo Este estudo engloba as espécies de Xyridaceae registradas para as cangas da Serra dos Carajás, no estado do Pará, trazendo descrições detalhadas, ilustração, comentários morfológicos e distribuição na área de estudos. São registradas duas espécies de Xyris: X. brachysepala, endêmica da Serra dos Carajás, e X. macrocephala, espécie de ampla distribuição no Neotrópico.

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48

Abreu, Maria Elizabeth Pereira, and Queila Souza Garcia. "Efeito da luz e da temperatura na germinação de sementes de quatro espécies de Xyris L. (Xyridaceae) ocorrentes na Serra do Cipó, MG, Brasil." Acta Botanica Brasilica 19, no. 1 (2005): 149–54. http://dx.doi.org/10.1590/s0102-33062005000100014.

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As espécies do gênero Xyris são típicas de solos brejosos ou úmidos, sendo bastante freqüentes nos campos rupestres de Minas Gerais. O objetivo deste estudo foi investigar o comportamento germinativo de sementes de X. cipoensis Smith & Downs, X. longiscapa A. Nilsson, X. platystachia A. Nilsson e X. trachyphylla Mart. sob diferentes condições de luz e temperatura. Os experimentos de germinação foram realizados em câmaras de germinação nas temperaturas constantes de 15, 20, 25, 30, 35 e 40ºC, sob luz e escuro contínuos, e nas alternâncias de 25-15, 30-15, 30-20, 35-15, 35-20 e 35-25ºC, onde

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Lock, J. M. "Notes on the Genus Xyris (Xyridaceae) in East Africa." Kew Bulletin 53, no. 4 (1998): 883. http://dx.doi.org/10.2307/4118876.

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Lock, J. M. "A Synopsis of Xyris (Xyridaceae) in South-Central Africa." Kew Bulletin 54, no. 2 (1999): 301. http://dx.doi.org/10.2307/4115809.

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