Phalaenopsis hygrochila
| Phalaenopsis hygrochila | |
|---|---|
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| Flowering Phalaenopsis hygrochila specimen in cultivation | |
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| Flower detail | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Asparagales |
| Family: | Orchidaceae |
| Subfamily: | Epidendroideae |
| Genus: | Phalaenopsis |
| Species: | P. hygrochila
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| Binomial name | |
| Phalaenopsis hygrochila J.M.H.Shaw[1]
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| Synonyms[1] | |
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Phalaenopsis hygrochila, also known as 湿唇兰 (shi chun lan) in Chinese,[2] is a species of epiphytic orchid native to Assam, China South-Central, China Southeast, East Himalaya, Laos, Myanmar, Thailand, and Vietnam.[1]
Taxonomy
[edit]This species has a complex taxonomic history and has been previously assigned to several genera.[1]
Description
[edit]The 5–10 cm, sometimes up to 20 cm long stems are 8–15 mm wide and enclosed within persistent leaf sheaths. They bear oblong to obovate-oblong, unequally bilobed, coriaceous leaves, between 17 and 29 cm in length and 3.5-5.5 cm in width. Yellow flowers of 4–5 cm in diameter with purple spotting and a white lip with lavender colouration on the midlobe are produced on 5-8 flowered, axillary and often pendent inflorescences. One plant may produce up to 6 inflorescences at a time. Flowering occurs throughout June and July. The diploid chromosome count is 2n = 38.[2] Each pollinium is completely divided into two unequal halves.[3] The seeds are 238.7 μm long and 81.2 μm wide.[4]
Gallery
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Lateral view of flower bud in the process of opening -
Flower viewed from behind -
Lateral view of fully closed, spurred flower buds -
Flowers growing on a pendent inflorescence -
Flowering specimen mounted on a branch with moss -
Botanical illustration of Phalaenopsis hygrochila as Vanda parishii
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Ecology
[edit]The plants are found in open forests in elevations of 700–1300 m.[2]
Conservation
[edit]This species is protected unter the CITES appendix II regulations of international trade.[5]
Horticulture
[edit]It has been utilized as an ornamental plant and cut flowers have been traded commercially, both locally and internationally. Artificial propagation and genetic transformation protocols were established.[6]
References
[edit]- ^ a b c d "Phalaenopsis hygrochila J.M.H.Shaw | Plants of the World Online | Kew Science". powo.science.kew.org. Retrieved 18 February 2022.
- ^ a b c Wu, Z.Y., Raven, P.H. & Hong, D.Y. 2009 Flora of China Vol. 25 Orchidaceae Science Press, Beijing, and Missouri Botanical Garden Press St. Louis, MO. 446
- ^ Li, M. H., Zhang, G. Q., Liu, Z. J., & Lan, S. R. (2014). Revision of Hygrochilus (Orchidaceae: Epidendroideae: Aeridinae) and a molecular phylogenetic analysis. Phytotaxa, 159(4), 256-268.
- ^ Tongbram, J., Rao, A. N., & Vij, S. P. (2012). Seed morphometric studies in some orchids from Manipur. J. Orch. Soc. Ind, 26(1-2), 25-2.
- ^ "Phalaenopsis". CITES.
- ^ Pimda, W., & Bunnag, S. (2010). Protocorm wounding enhanced Agrobacteriummediated transformation of Hygrochilus parishii (Veitch & Rchb. f.) Pfitz. Advances in Agriculture & Botanics, 2(3), 205-212.
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