Cleisocentron

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Cleisocentron is a genus of flowering plants from the orchid family, Orchidaceae.[1] It has a disjunct distribution, known from the Himalayas, Vietnam, China and Borneo.

Description

File:Cleisocentron pallens (as Saccolabium trichromum) - The Orchids of the Sikkim-Himalaya pl 306 (1898).jpg
Illustration of Cleisocentron pallens

The species of this genus are tropical epiphytes with a pendent or erect habit. The leaves may be terete or broad. Both types of leaves may occur on the same specimen, as some species exhibit leaf polymorphy.[2] Three species have blue flowers,[3] but other colours, such as pink and white also occur.

Cytology

The diploid chromosome count is 2n = 38.[4]

Etymology

The generic name is derived from the Greek kleistos meaning closed,[5] as well as kentron meaning spur.[3][5] The name relates to the morphology of the spurred labellum.[2]

Ecology

Pollination

There have been reports of pollination or visitation by ants, which was observed during field expeditions in Borneo.[6][7] Alternatively, there have been speculations, that the nectariferous flowers are pollinated by butterflies.[3]

Taxonomy

It was published by Paul Johannes Brühl in 1926[8][9] with Cleisocentron trichromum (Rchb. f.) BrühlScript error: No such module "Check for unknown parameters". as the type species.[8]

Species

Eight species are currently recognized:[10]

  1. Cleisocentron abasii Cavestro - Sabah
  2. Cleisocentron gokusingii J.J.Wood & A.L.Lamb - Sabah
  3. Cleisocentron kinabaluense Metusala & J.J.Wood - Sabah
  4. Cleisocentron klossii (Ridl.) Garay - Vietnam
  5. Cleisocentron malipoense (Z.J.Liu & L.J.Chen) R.Rice - Malipo, Yunnan, China [11]
  6. Cleisocentron merrillianum (Ames) Christenson - Sabah
  7. Cleisocentron neglectum M.J.Mathew & J.Mathew - India (Karnataka) [12]
  8. Cleisocentron pallens (Cathcart ex Lindl.) N.Pearce & P.J.Cribb - eastern Himalayas (Sikkim, Bhutan, Assam, India)

Formerly included species

Horticulture

Cleisocentron is rarely found in cultivation.[5][2] However, they are easy to cultivate.[5] Numerous intergeneric hybrids with Cleisocentron have been described.[9]

See also

References

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  1. ↑ Brühl, Paul Johannes. 1926. Guide to the Orchids of Sikkim 136
  2. ↑ a b c Pridgeon, A., Cribb, P., Chase, M., & Rasmussen, F. (2014). "Genera Orchidacearum Volume 6: Epidendroideae (Part 3)." pp. 158-161 OUP Oxford.
  3. ↑ a b c Chase, M., Christenhusz, M., Mirenda, T., & Ivy Press (2017). "The Book of Orchids: A Life-Size Guide to Six Hundred Species from Around the World." p. 555. University of Chicago Press.
  4. ↑ Genera Orchidacearum: Volume 1: Apostasioideae and Cypripedioideae. p. 72. (1999). Vereinigtes Königreich: OUP Oxford.
  5. ↑ a b c d Teoh, E.S. (2021). Cleisocentron Bruhl.. In: Orchid Species from Himalaya and Southeast Asia Vol. 1 (A - E). pp 199–201. Springer, Cham. https://doi.org/10.1007/978-3-030-58872-4_30
  6. ↑ Pugh-Jones, S. (2021, May 29). Cleisocentron gokusingii – 365 days of orchids – day 1616. WSBEorchids. Retrieved December 13, 2022, from https://wsbeorchids.org/2021/cleisocentron-gokusingii-365-days-of-orchids-day-1616/
  7. ↑ Robinson, J. (2022, March 9). PLANTS BEHAVING BADLY. KPBS Public Media. Retrieved December 13, 2022, from https://www.kpbs.org/news/2017/may/02/plants-behaving-badly/
  8. ↑ a b Missouri Botanical Garden. (n.d.-e). Cleisocentron Brühl. Tropicos. Retrieved January 4, 2025, from https://www.tropicos.org/name/40009971
  9. ↑ a b Cleisocentron Brühl. (n.d.). International Plant Names Index. Retrieved January 4, 2025, from https://www.ipni.org/n/29059-1
  10. ↑ Script error: No such module "citation/CS1".
  11. ↑ Script error: No such module "citation/CS1".
  12. ↑ Script error: No such module "citation/CS1".
  13. ↑ Template:Cite POWO

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External links

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