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This genus is accepted, and its native range is China (Yunnan), Peninsula Thailand to W. Malesia.

[A-EM]
Distribution

The four species of Chroniochilus are collectively distributed from southern Thailand through Malaysia to Indonesia.

Ecology

These species are epiphytes from 0 to 1000 m. Chroniochilus minimus (Blume) J.J.Sm. and C. virescens (Ridl.) Holttum are recorded from forests on ultramafic substrates between 700 and 1000 m in Borneo, Chroniochilus minimus grows on tea bushes between 800 and 1000 m in Java. Chroniochilus thrixspermoides (Schltr.) Garay has been recorded from a coffee plantation at 300 m in Sumatra. Chroniochilus virescens grows on small trees in grasslands at 100 m in Thailand.

General Description

Epiphytic herbs. Stems erect to pendent. Leaves few, flat, unequally bilobed. Inflorescence simple, few-flowered; rachis fleshy or sometimes flattened. Flowers resupinate. Sepals and petals free, spreading. Labellum motile, sessile, sagittate, conical and solid in front, with large auriculate side lobes; spur absent. Column with a distinct foot to which the labellum is elastically attached; pollinia two, entire, stipe linear-oblong, viscidium oval, at least half as long as the stipe; rostellar projection prominent.

[A-EM]
Use

No uses have been reported for the genus; it is rare in cultivation.

Native to:

Borneo, China South-Central, Jawa, Malaya, Sumatera, Thailand

Chroniochilus J.J.Sm. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Cribb, P. [89/44], Malaysia 54846.000
8249.000

First published in Bull. Jard. Bot. Buitenzorg, sér. 2, 26: 81 (1918)

Accepted by

  • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.
  • Govaerts, R. (2003). World Checklist of Monocotyledons Database in ACCESS: 1-71827. The Board of Trustees of the Royal Botanic Gardens, Kew.
  • Pridgeon, A.M., Cribb, P.J., Chase, M.C. & Rasmussen, F.N. (2014). Genera Orchidacearum 6: 1-544. Oxford University Press, New York, Oxford.

Aeridinae: e-monocot.org
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Herbarium Catalogue Specimens

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0