# Ypsilandra

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{{Short description|Genus of flowering plants}}
{{Automatic taxobox
|image = Ypsilandra thibetica Franch. flower spike.jpg
|image_caption = ''Ypsilandra thibetica''
|taxon = Ypsilandra
|authority = [Franch.](/source/Adrien_Ren%C3%A9_Franchet)<ref name=trop>The genus ''Ypsilandra'' and the type (''Ypsilandra thibetica'') were first published in ''Nouvelles archives du muséum d'histoire naturelle'', sér. 2, 10: 93. 1888. {{ cite web |url=http://www.tropicos.org/Name/40027933 |title=Name - ''Ypsilandra'' Franch. |quote=Type Specimens … ''Ypsilandra thibetica'' Franch. |work=Tropicos |publisher=Missouri Botanical Garden |location=[Saint Louis, Missouri](/source/Saint_Louis%2C_Missouri) |access-date=October 12, 2012 |archive-url=https://web.archive.org/web/20141019180543/http://www.tropicos.org/Name/40027933 |archive-date=2014-10-19 |url-status=live }}</ref>
|type_species = ''[Ypsilandra thibetica](/source/Ypsilandra_thibetica)''
|type_species_authority = [Franch.](/source/Adrien_Ren%C3%A9_Franchet)<ref name=trop/>
}}

'''''Ypsilandra''''' is a genus of at least six herbaceous plant species, first described as a genus in 1888. This genus is a member of the [Melanthiaceae](/source/Melanthiaceae)<ref>{{Cite web |url=http://www.tropicos.org/Name/40027933 |title=Tropicos, ''Ypsilandra'' Franch. |access-date=2012-10-12 |archive-url=https://web.archive.org/web/20141019180543/http://www.tropicos.org/Name/40027933 |archive-date=2014-10-19 |url-status=live }}</ref> and is native to East Asia (China, the Himalayas, Myanmar, Thailand).<ref name=h>{{cite web|url=http://apps.kew.org/wcsp/namedetail.do?name_id=291638|title=World Checklist of Selected Plant Families: Royal Botanic Gardens, Kew|access-date=4 February 2016}}</ref><ref>{{Cite web |url=http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=135220 |title=Flora of China Vol. 24 Page 86 <big>丫蕊花属</big> ya rui hua shu ''Ypsilandra'' Franchet, Nouv. Arch. Mus. Hist. Nat. ser. 2, 10: 93. 1887.  |access-date=2014-10-08 |archive-url=https://web.archive.org/web/20150924153026/http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=135220 |archive-date=2015-09-24 |url-status=live }}</ref>

''Ypsilandra'' species are perennial plants that grow from thick [rhizome](/source/rhizome)s.  They are associated with sloping, forested habitats.  They are very infrequently cultivated in the West. Their leaves are generally long and thin, growing in a [rosette](/source/rosette_(botany)) from the base of the plant.  ''Ypsilandra'' species produce flowers on a long [scape](/source/scape_(botany)) arising from the intersection of the leaves and the stem.  The [inflorescence](/source/inflorescence)s consist of a cluster of nodding, radially-symmetrical tube-shaped flowers with six [tepals](/source/tepals).  The [stamens](/source/stamens) protrude beyond the tepals.  Depending on the species, the tepals may be white, pink, purple, or yellow.<ref>{{cite journal |author=Chen Xinqi and Minoru N. Tamura |year=2000 |journal=Flora of China |volume=24 |pages=86–87 |url=http://flora.huh.harvard.edu/china/PDF/PDF24/ypsilandra.pdf |title=Flora of China 24: 86–87. 2000. |access-date=2009-03-29 |archive-url=https://web.archive.org/web/20160303171946/http://flora.huh.harvard.edu/china/PDF/PDF24/ypsilandra.pdf |archive-date=2016-03-03 |url-status=live }}</ref>

; Species<ref name=h/>
* ''[Ypsilandra alpina](/source/Ypsilandra_alpina)'' <small>F.T.Wang & Tang</small> - [Tibet](/source/Tibet), [Yunnan](/source/Yunnan), N [Myanmar](/source/Myanmar)
* ''[Ypsilandra cavaleriei](/source/Ypsilandra_cavaleriei)'' <small>H.Lév. & Vaniot</small> - [Guangdong](/source/Guangdong), [Guangxi](/source/Guangxi), [Guizhou](/source/Guizhou), [Hunan](/source/Hunan)
* ''[Ypsilandra jinpingensis](/source/Ypsilandra_jinpingensis)'' <small>W.H.Chen, Y.M.Shui & ZhiY.Yu</small> - [Yunnan](/source/Yunnan), N [Vietnam](/source/Vietnam)
* ''[Ypsilandra kansuensis](/source/Ypsilandra_kansuensis)'' <small>R.N.Zhao & Z.X.Peng</small> - [Gansu](/source/Gansu)
* ''[Ypsilandra thibetica](/source/Ypsilandra_thibetica)'' <small>Franch.</small> - [Sichuan](/source/Sichuan), [Hunan](/source/Hunan), [Guangxi](/source/Guangxi), [Taiwan](/source/Taiwan)
* ''[Ypsilandra yunnanensis](/source/Ypsilandra_yunnanensis)'' <small>W.W.Sm. & Jeffrey</small> - [Nepal](/source/Nepal), [Yunnan](/source/Yunnan), [Bhutan](/source/Bhutan), [Assam](/source/Assam), [Myanmar](/source/Myanmar)

''Ypsilandra thibetica'' is used in [traditional Chinese medicine](/source/traditional_Chinese_medicine), especially in [Sichuan](/source/Sichuan) and [Yunnan](/source/Yunnan) provinces, as a
[haemostatic](/source/haemostatic).<ref>{{cite journal |author=Bai-Bo Xie|year=2006 |journal=Chemistry and Biodiversity |volume= 3 |pages=1211–1218 |doi=10.1002/cbdv.200690122 |pmid=17193234 |title=Five new steroidal compounds from Ypsilandra thibetica |issue=11|s2cid=40156700 |display-authors=etal}}</ref>

==Gallery==
<gallery>
File:Ypsilandra thibetica (Melanthiaceae) plant.jpg|''Ypsilandra thibetica'' cultivated plant of a white-flowered form growing in Cambridge Botanic Gardens, Cambridgeshire, United Kingdom.
File:Ypsilandra thibetica Franch. flowers and leaves.jpg|''Ypsilandra thibetica'' frontal close-up of inflorescence of a pink-flowered form, showing interiors of flowers with gynoecium and androecium. Cultivated plant, RHS Rosemoor garden, Devon, U.K.
</gallery>

==References==
{{Reflist}}

==External links==
{{Commons category|Ypsilandra}}
* [http://flora.huh.harvard.edu/china/PDF/PDF24/ypsilandra.pdf Flora of China treatment: ''Ypsilandra'']

{{Taxonbar|from=Q3309482}}

Category:Melanthiaceae
Category:Flora of East Himalaya
Category:Flora of Indo-China
Category:Flora of China
Category:Melanthiaceae genera

{{Liliales-stub}}

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Adapted from the Wikipedia article [Ypsilandra](https://en.wikipedia.org/wiki/Ypsilandra) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Ypsilandra?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.