Cleisocentron

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Cleisocentron
Cleisocentron merrillianum (Ames) Christenson, Amer. Orchid Soc. Bull. 61 246 (1992). (48625469386).jpg
Cleisocentron merrillianum
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Epidendroideae
Tribe: Vandeae
Subtribe: Aeridinae
Genus: Cleisocentron
Brühl
Type species
Cleisocentron trichromum (Rchb. f.) Brühl [1]
Synonyms [2] [3]
  • SingchiaZ.J.Liu & L.J.Chen

Cleisocentron is a genus of flowering plants from the orchid family, Orchidaceae. [4] It has a disjunct distribution, known from the Himalayas, Vietnam, China and Borneo.

Contents

Description

Illustration of Cleisocentron pallens 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. [5] Three species have blue flowers, [6] but other colours, such as pink and white also occur.

Cytology

The diploid chromosome count is 2n = 38. [7]

Etymology

The generic name is derived from the Greek kleistos meaning closed, [8] as well as kentron meaning spur. [6] [8] The name relates to the morphology of the spurred labellum. [5]

Ecology

Pollination

There have been reports of pollination or visitation by ants, which was observed during field expeditions in Borneo. [9] [10] Alternatively, there have been speculations, that the nectariferous flowers are pollinated by butterflies. [6]

Taxonomy

It was published by Paul Johannes Brühl in 1926 [1] [11] with Cleisocentron trichromum(Rchb. f.) Brühl as the type species. [1]

Species

Eight species are currently recognized: [12]

  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 [13]
  6. Cleisocentron merrillianum (Ames) Christenson - Sabah
  7. Cleisocentron neglectum M.J.Mathew & J.Mathew - India (Karnataka) [14]
  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. [8] [5] However, they are easy to cultivate. [8] Numerous intergeneric hybrids with Cleisocentron have been described. [11]

See also

References

  1. 1 2 3 Missouri Botanical Garden. (n.d.-e). Cleisocentron Brühl. Tropicos. Retrieved January 4, 2025, from https://www.tropicos.org/name/40009971
  2. ↑ "Cleisocentron". World Checklist of Selected Plant Families (WCSP). Royal Botanic Gardens, Kew.
  3. ↑ WFO (2022): Cleisocentron Brühl. Published on the Internet;http://www.worldfloraonline.org/taxon/wfo-4000008534. Accessed on: 14 Dec 2022
  4. ↑ Brühl, Paul Johannes. 1926. Guide to the Orchids of Sikkim 136
  5. 1 2 3 Pridgeon, A., Cribb, P., Chase, M., & Rasmussen, F. (2014). "Genera Orchidacearum Volume 6: Epidendroideae (Part 3)." pp. 158-161 OUP Oxford.
  6. 1 2 3 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.
  7. ↑ Genera Orchidacearum: Volume 1: Apostasioideae and Cypripedioideae. p. 72. (1999). Vereinigtes Königreich: OUP Oxford.
  8. 1 2 3 4 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
  9. ↑ 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/
  10. ↑ 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/
  11. 1 2 Cleisocentron Brühl. (n.d.). International Plant Names Index. Retrieved January 4, 2025, from https://www.ipni.org/n/29059-1
  12. ↑ "World Checklist of Selected Plant Families: Royal Botanic Gardens, Kew".
  13. ↑ "Cleisocentron malipoense (Z.J.Liu & L.J.Chen) R.Rice | Plants of the World Online | Kew Science".
  14. ↑ "Cleisocentron neglectum M.J.Mathew & J.Mathew | Plants of the World Online | Kew Science".
  15. ↑ "Robiquetia pachyphylla (Rchb.f.) Garay". Plants of the World Online . Royal Botanic Gardens, Kew . Retrieved 21 November 2022.


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