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Phalaenopsis hygrochila

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Species of epiphytic orchid

Phalaenopsis hygrochila
Flowering Phalaenopsis hygrochila specimen in cultivation
Flower detail
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Epidendroideae
Genus: Phalaenopsis
Subgenus: Phalaenopsis subg. Hygrochilus
Species: P. hygrochila
Binomial name
Phalaenopsis hygrochila
J.M.H.Shaw
Synonyms
  • Hygrochilus parishii (Rchb.f.) Pfitzer
  • Phalaenopsis marriottiana var. parishii (Rchb.f.) Kocyan & Schuit.
  • Phalaenopsis tigrina M.He Li, O.Gruss & Z.J.Liu
  • Stauropsis parishii (Rchb.f.) Rolfe
  • Vanda parishii Rchb.f.
  • Vandopsis parishii (Rchb.f.) Schltr.

Phalaenopsis hygrochila, also known as 湿唇兰 (shi chun lan) in Chinese, is a species of epiphytic orchid native to Assam, China South-Central, China Southeast, East Himalaya, Laos, Myanmar, Thailand, and Vietnam.

Taxonomy

This species has a complex taxonomic history and has been previously assigned to several genera.

Description

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. Each pollinium is completely divided into two unequal halves. The seeds are 238.7 μm long and 81.2 μm wide.

Gallery

  • Lateral view of flower bud in the process of opening Lateral view of flower bud in the process of opening
  • Flower viewed from behind Flower viewed from behind
  • Lateral view of fully closed, spurred flower buds Lateral view of fully closed, spurred flower buds
  • Flowers growing on a pendent inflorescence Flowers growing on a pendent inflorescence
  • Flowering specimen mounted on a branch with moss Flowering specimen mounted on a branch with moss
  • Botanical illustration of Phalaenopsis hygrochila as Vanda parishii Botanical illustration of Phalaenopsis hygrochila as Vanda parishii

Ecology

The plants are found in open forests in elevations of 700–1300 m.

Conservation

This species is protected unter the CITES appendix II regulations of international trade.

Horticulture

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.

References

  1. ^ "Phalaenopsis hygrochila J.M.H.Shaw | Plants of the World Online | Kew Science". powo.science.kew.org. Retrieved 18 February 2022.
  2. ^ 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
  3. 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.
  4. 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.
  5. "Phalaenopsis". CITES.
  6. 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.
Taxon identifiers
Phalaenopsis hygrochila
Phalaenopsis tigrina
Vanda parishii


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