Pelatantheria bicuspidata

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Pelatantheria bicuspidata
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Epidendroideae
Genus: Pelatantheria
Species:
P. bicuspidata
Binomial name
Pelatantheria bicuspidata
(Rolfe ex Downie) Tang & F.T.Wang [1]
Synonyms

Sarcanthus bicuspidatus Rolfe ex Downie [2]

Pelatantheria bicuspidata is a species of epiphytic or lithophytic orchid occurring in China and Thailand. [3] [4] This species closely resembles Pelatantheria ctenoglossum and Pelatantheria woonchengii . The specific epithet bicuspidata, derived from the Latin word bicuspidatus, meaning double pointed refers to the two pointed distal portion of the labellum. [5] The stems are elongate, branched and bear elliptic-oblong, unequally bilobed, distichously arranged leaves. The flowers open widely and bear purple or red striations on petals and sepals. The labellum is fleshy, three-lobed and spurred at the base. The column bears tufted white hairs at its base. [6]

Contents

Ecology

This species if found in open forests at 800 to 1,400 m (2,600 to 4,600 ft) a.s.l. on rocks or tree trunks. Flowering occurs in June to October.

Conservation

This species is protected under the Convention on International Trade in Endangered Species of Wild Fauna and Flora CITES and thus is regarded as potentially endangered. [7]

Related Research Articles

<span class="mw-page-title-main">CITES</span> Multilateral treaty

CITES is a multilateral treaty to protect endangered plants and animals from the threats of international trade. It was drafted as a result of a resolution adopted in 1963 at a meeting of members of the International Union for Conservation of Nature (IUCN). The convention was opened for signature in 1973 and CITES entered into force on 1 July 1975.

<span class="mw-page-title-main">Wildlife conservation</span> Practice of protecting wild plant and animal species and their habitats

Wildlife conservation refers to the practice of protecting wild species and their habitats in order to maintain healthy wildlife species or populations and to restore, protect or enhance natural ecosystems. Major threats to wildlife include habitat destruction, degradation, fragmentation, overexploitation, poaching, pollution and climate change. The IUCN estimates that 27,000 species of the ones assessed are at risk for extinction. Expanding to all existing species, a 2019 UN report on biodiversity put this estimate even higher at a million species. It is also being acknowledged that an increasing number of ecosystems on Earth containing endangered species are disappearing. To address these issues, there have been both national and international governmental efforts to preserve Earth's wildlife. Prominent conservation agreements include the 1973 Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) and the 1992 Convention on Biological Diversity (CBD). There are also numerous nongovernmental organizations (NGO's) dedicated to conservation such as the Nature Conservancy, World Wildlife Fund, the Wild Animal Health Fund and Conservation International.

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Pelatantheria ctenoglossum is a species of epiphytic or lithophytic orchid occurring in China, Cambodia, Laos and Vietnam. This species closely resembles Pelatantheria bicuspidata both in its vegetative and generative morphology. It can also be easily confused with Pelatantheria woonchengii. The main difference lies in the morphology of the labellum. The specific epithet "ctenoglossum", meaning "comb tongue", refers to the comb like epergencies of the distal portion of the labellum. The stems are erect and rigid and bear fleshy, lanceolate and unequally bilobed leaves. The sepals are ovate, obtuse and have red striations on a yellow base colour. The labellum is fleshy and three-lobed. The column bears tufted white hairs at its base. The chromosome count is 2n = 38.

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References

  1. Acta Phytotax. Sin. 1(1): 101 (1951).
  2. Bull. Misc. Inform. Kew 1925: 391 (1925)
  3. "Pelatantheria bicuspidata Tang & F. T. Wang - Encyclopedia of Life". eol.org.
  4. "Pelatantheria bicuspidata Tang & F.T.Wang". Plants of the World Online. Royal Botanic Gardens Kew . Retrieved 8 February 2022.
  5. Song, Wenhui; Xue, Dayong; Han, Hongxiang (September 12, 2011). "A taxonomic revision of Tridrepana Swinhoe, 1895 in China, with descriptions of three new species (Lepidoptera, Drepanidae)" (PDF). Zootaxa. 3021: 39–62 – via India Biodiversity Portal.
  6. Flora of China v 25 p 456, 钻柱兰属 zuan zhu lan shu, Pelatantheria Ridley, J. Linn. Soc., Bot. 32: 371. 1896.
  7. "Pelatantheria bicuspidata". Convention on International Trade in Endangered Species of Wild Fauna and Flora . Retrieved 8 February 2022.[