Pelatantheria scolopendrifolia

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Pelatantheria scolopendrifolia
Pelatantheria scolopendrifolia.jpg
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Epidendroideae
Genus: Pelatantheria
Species:
P. scolopendrifolia
Binomial name
Pelatantheria scolopendrifolia
(Makino) Aver. [1]
Synonyms
  • Sarcanthus scolopendrifolius Makino [2]
  • Cleisostoma scolopendrifolium (Makino) Garay [3]

Pelatantheria scolopendrifolia is a species of epiphytic or lithophytic orchid occurring in China, Japan and Korea. [4] [5] The plants closely adhere to the substrate and are creeping. The commonly branched, very slender stem bears distichously arranged, subcylindrical, leathery leaves. One to two widely opening flowers are produced on a short raceme, which is usually shorter than the leaves. The flowers are thinly textured and pale flesh-coloured. The labellum is spurred. [6]

Contents

Ecology

This species if found in forests or shaded areas at 100 to 1000 m a.s.l. on rocks or tree trunks. Flowering occurs in April.

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] It has suffered a substantial decline of its population and it is vulnerable to loss of genetic diversity and extinction. [8] Asymbiotic seed propagation methods taylored to this species have been developed and may be a vital tool for conservation. [9]

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<i>Dendrobium nobile</i> Species of orchid from Asia

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<i>Oberonia</i> Genus of orchids

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<i>Chrysanthemum lavandulifolium</i> Species of flowering plant

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<i>Iris minutoaurea</i> Species of flowering plant

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<i>Pelatantheria insectifera</i> Species of orchid

Pelatantheria insectifera is a species of orchid occurring in Thailand, Laos, India. The species is a long-stemmed epiphytic herb. The small flowers have a relatively large, fleshy, bright pink labellum. The specific epithet "insectifera", meaning "insect bearing", refers to the flowers, which are indicated to resemble an insect. Thus, attraction of pollinators by means of sexual deception is implied, but to date no pollinator has been published. The flowers are produced from September to October on subsessile racemes, which are shorter than the leaves. The plants are almost entirely self-incompatible, but a small percentage of self-pollination events may be successful. After pollination the colour of the labellum changes from pink to red and the sepals and petals begin to close.

Pelatantheria rivesii is a species of epiphytic or lithophytic orchid occurring in China, Laos and Vietnam. This species closely resembles Pelatantheria insectifera bothin its vegetative and generative morphology. The commonly branched stems may reach lengths of 1 m and diameters of 7 mm. Few flowers are produced during October on short racemes, which do not exceed the length of the leaves. The flowers are small and fleshy and the sepals and petals are pale yellow and bear striped. The labellum is pink.

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.

Pelatantheria bicuspidata is a species of epiphytic or lithophytic orchid occurring in China and Thailand. 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. 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.

Pelatantheria woonchengii is a species of epiphytic or lithophytic orchid occurring in Vietnam, Thailand, Myanmar, and Malaysia. It may be easily misidentified as Pelatantheria ctenoglossum.

Papilionanthe biswasiana is a species of epiphytic orchid native to Laos, China, Myanmar, and Thailand. Is is closely related to Papilionanthe vandarum.

<i>Phalaenopsis natmataungensis</i> Species of epiphytic orchid

Phalaenopsis natmataungensis is a species of orchid endemic to Myanmar. The specific epithet natmataungensis refers to Nat Ma Taung, Myanmar. The mountain slopes are covered in natural, seasonally dry forests that are mainly composed of deciduous trees. These areas are generally not disturbed by agriculture.

References

  1. Bot. Zhurn. (Moscow & Leningrad) 73: 432 (1988)
  2. Ill. Fl. Japan 1: t. 40 (1891)
  3. Bot. Mus. Leafl. 23: 174 (1972)
  4. "Pelatantheria scolopendrifolia (Makino) Aver. - Encyclopedia of Life". eol.org.
  5. "Pelatantheria scolopendrifolia (Makino) Aver. | Plants of the World Online | Kew Science". Plants of the World Online.
  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 | CITES". cites.org.
  8. Yun, Seon A.; Son, Hyun-Deok; Im, Hyoung-Tak; Kim, Seung-Chul (2020). "Genetic diversity and population structure of the endangered orchid Pelatantheria scolopendrifolia (Orchidaceae) in Korea". PLOS ONE. 15 (8): e0237546. Bibcode:2020PLoSO..1537546Y. doi: 10.1371/journal.pone.0237546 . PMC   7425873 . PMID   32790795.
  9. Kim, Jin-Ho; Son, Sung Won; Kim, Sang Yong; Jeong, Mi Jin (September 2021). "Asymbiotic seed germination and in vitro seedling development of Pelatantheria scolopendrifolia, a rare epiphytic orchid native to Korea". Rhizosphere. 19: 100371. doi: 10.1016/j.rhisph.2021.100371 .