Ypsilandra

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[2] and is native to East Asia (China, the Himalayas, Myanmar, Thailand).[3][4]

Ypsilandra
Ypsilandra thibetica
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Liliales
Family: Melanthiaceae
Tribe: Heloniadeae
Genus: Ypsilandra
Franch.[1]
Type species
Ypsilandra thibetica

Ypsilandra species are perennial plants that grow from thick rhizomes. 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 from the base of the plant. Ypsilandra species produce flowers on a long scape arising from the intersection of the leaves and the stem. The inflorescences consist of a cluster of nodding, radially-symmetrical tube-shaped flowers with six tepals. The stamens protrude beyond the tepals. Depending on the species, the tepals may be white, pink, purple, or yellow.[5]

Species[3]

Ypsilandra thibetica is used in traditional Chinese medicine, especially in Sichuan and Yunnan provinces, as a haemostatic.[6]

  • Ypsilandra thibetica cultivated plant of a white-flowered form growing in Cambridge Botanic Gardens, Cambridgeshire, United Kingdom.
  • 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.
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References
  1. The genus Ypsilandra and the type (Ypsilandra thibetica) were first published in Nouvelles archives du muséum d'histoire naturelle, sér. 2, 10: 93. 1888. "Name - Ypsilandra Franch". Tropicos. Saint Louis, Missouri: Missouri Botanical Garden. Archived from the original on 2014-10-19. Retrieved October 12, 2012. Type Specimens … Ypsilandra thibetica Franch.
  2. "Tropicos, Ypsilandra Franch". Archived from the original on 2014-10-19. Retrieved 2012-10-12.
  3. "World Checklist of Selected Plant Families: Royal Botanic Gardens, Kew". Retrieved 4 February 2016.
  4. "Flora of China Vol. 24 Page 86 丫蕊花属 ya rui hua shu Ypsilandra Franchet, Nouv. Arch. Mus. Hist. Nat. ser. 2, 10: 93. 1887". Archived from the original on 2015-09-24. Retrieved 2014-10-08.
  5. Chen Xinqi and Minoru N. Tamura (2000). "Flora of China 24: 86–87. 2000" (PDF). Flora of China. 24: 86–87. Archived (PDF) from the original on 2016-03-03. Retrieved 2009-03-29.
  6. Bai-Bo Xie; et al. (2006). "Five new steroidal compounds from Ypsilandra thibetica". Chemistry and Biodiversity. 3 (11): 1211–1218. doi:10.1002/cbdv.200690122. PMID 17193234.


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