Phalaenopsis taenialis

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Phalaenopsis taenialis
Phalaenopsis taenialis - Flickr. 004.jpg
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Epidendroideae
Genus: Phalaenopsis
Species:
P. taenialis
Binomial name
Phalaenopsis taenialis
(Lindl.) & [1]
Synonyms
  • Aerides taenialis Lindl.
  • Doritis taenialis (Lindl.) Benth. ex Hook.f.
  • Kingiella taenialis (Lindl.) Rolfe
  • Biermannia taenialis (Lindl.) Tang & F.T.Wang
  • Kingidium taeniale (Lindl.) P.F.Hunt
  • Polychilos taenialis (Lindl.) Shim
  • Aerides carnosa Griff.
  • Doritis braceana Hook.f.
  • Phalaenopsis braceana (Hook.f.) Christenson
  • Kingidium braceanum (Hook.f.) Seidenf.
  • Biermannia navicularis Tang & F.T.Wang ex Gruss & Rollke
  • Kingidium naviculare Z.H.Tsi

Phalaenopsis taenialis, also known as 小尖囊蝴蝶兰 (xiao jian nang hu die lan) in Chinese,[2] is a species of epiphytic orchid occurring from the eastern Himalaya to China (Yunnan).[1]

Entire plant exhibiting leaflessness during anthesis

Description[]

This species has flattened, verrucose roots, which arise from inconspicuous stems bearing few, deciduous, 1-3.5 cm long and 4-13 cm long leaves. The leaves are usually shed during flowering or dry seasons, but commonly one leaf persists. Flowering occurs in June and 1-2 widely opening, pale pink to rose purple flowers are produced on 6.5-19 cm long, axillary racemes. The column is broadly dilated at the stigma. The anther cap is subglobose.[2] The labellum has a sub-cylindric spur.[3] The spur points downward in a right angle to the ovary.[4]
The chromosome count is 2n = 36, 38, 40, 57.[2]

Taxonomy[]

This species closely resembles the newly published species Phalaenopsis arunachalensis, which as of March 2022 is not currently accepted by the World Checklist of Selected Plant Families (WCSP) of the Royal Botanic Gardens Kew, as well as Phalaenopsis honghenensis.[5] This adds further complexity to the taxonomy of Phalaenopsis subgen. Aphyllae.

Synonymy with Phalaenopsis braceana[]

As a result of post-pollination changes, the flowers of Phalaenopsis taenialis turn yellow or orange. This change may also arise due to stress. Thiese changes reduce the attractiveness of the flowers to potential pollinators. The original description of Doritis braceana was based on Phalaenopsis taenialis specimens, which exhibited these changes of floral colouration.
The name Phalaenopsis braceana has been erroneously applied to several species. However its only correct use is as a synonym of Phalaenopsis taenialis.[6]

Cultivation[]

Established plants are relatively easy to cultivate mounted on driftwood or cork bark. The flattened roots of tapeworm like appearance should be handeled with great care. It benefits from warm, humid conditions in Summer and cool, dry conditions in Winter. This mimicks the climate it is adapted to.[6]

Ecology[]

This species occurs epiphytically on tree trunks at elevations of 1100-2200 m aboe sea level.[2] It grows on a variety of broad-leaved phorophytes with smooth or rough bark, such as oaks and Rhododendron. It is found in shady conditions.[6]

Conservation[]

This species is threatened due to deforestation and poaching.[7]

References[]

  1. ^ a b "Phalaenopsis taenialis". World Checklist of Selected Plant Families (WCSP). Royal Botanic Gardens, Kew.
  2. ^ a b c d 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. ^ PANDAY, S., SINGH, S., KUMAR, R., & SINHA, B. Notes on two interesting and less known orchids of Meghalaya.
  4. ^ Dalström, S. (2006). Notes from the OIC: It Is Not Easy Being Green. Selbyana, 27(2), 208–214. http://www.jstor.org/stable/41760284
  5. ^ Gogoi, Khyanjeet & Rinya, Koj. (2020). Phalaenopsis arunachalensis sp. nov. (Orchidaceae: Epidendroideae: Aeridinae) A new epiphytic orchid from Arunachal Pradesh, Northeast India. Lankesteriana. 10.15517/lank.v20i3.44102.
  6. ^ a b c Dalström, S., Gyeltshen, N., & Höijer, T. (2010). Phalaenopsis taenialis: a case of split personality. Orchids, 79(8), 468-471.
  7. ^ Bharadwaj, Bishal & Rai, Raj & Raskoti, Bhakta. (2015). Inventory of Orchids in the Hanspokhari area of Kolbung VDC, Ilam District, Eastern Nepal. The MIOS Journal. 16. 18-24.

External links[]

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