Calamus concinnus

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Calamus (KAL-ah-muhs)
concinnus (cohn-SEEN-nuhs)
Florida. Photo by Kyle Wicomb, edric.
Scientific Classification
Genus: Calamus (KAL-ah-muhs)
concinnus (cohn-SEEN-nuhs)
Palmijuncus concinnus
Native Continent
Habit: Clustering
Leaf type: Pinnate
Survivability index
Common names

Habitat and Distribution

Malaya, Myanmar, Thailand. Perlis, Kedah(Langkawi), Perak. S. Thailand, Burma. Myanmar (Tanintharyi),
Florida. Photo by Kyle Wicomb.
and Thailand (peninsular), (also in peninsular Maylasia); lowland rainforest, often near the sea or rivers, at low elevations. (J. Dransfield. 1979)/Palmweb.


A non-climbing rattan from coastal forests on the Malay Peninsula, with a creeping or upright stem to 6 m (13 ft.) tall and long, 8 cm diameter, arching leaves with grouped and slightly fanned leaflets. Stems clustered, short and subterranean, leaf sheaths open green, with scattered, yellowish, triangular, to 4-cm long spines; ocreas present, elongate to 75 cm long, tattering; Knees absent; flagella absent; leaf rachis to 3.5 m long with 35-65 lanceolate leaflets per side, these are irregularly arranged in groups of 2-7; cerri absent, inflorescence to 2 m long, not flagellate; bracts tubular, tatering at apices; fruits globose to 0.8 cm diameter, yellowish. Great for all those who want to try growing a rattan palm but find the climbing habit a nuisance. Also, it does not grow any cirri or flagella, those nasty, whiplike organs many rattan palms produce to help them climb and that are perfect to get tangled up in. Due to its habitat it is more resistant to coastal and seasonally dry conditions than most rattans. The roots have been used as an herb, since ancient times. Editing by edric.

This is a rarely collected, little known palm of northern Malaya. Nothing is known of its ecological preferences except that it has been found growing on limestone in South Thailand (pers. obs.). It appears usually to be a stemless species, and if so, will be a very distinctive easily recognized species with the combination of stemless habit, irregularly grouped leaflets and short highly branched inflorescences. (J. Dransfield. 1979)/Palmweb.


Comments and Curiosities

Etymology: Concinnus - nicely formed, harmonious. (J. Dransfield. 1979)/Palmweb.

External Links


Phonetic spelling of Latin names by edric.

Special thanks to Geoff Stein, (Palmbob) for his hundreds of photos.

Special thanks to, Dr. John Dransfield, Dr. Bill Baker & team, for their volumes of information and photos.

Glossary of Palm Terms; Based on the glossary in Dransfield, J., N.W. Uhl, C.B. Asmussen-Lange, W.J. Baker, M.M. Harley & C.E. Lewis. 2008. Genera Palmarum - Evolution and Classification of the Palms. Royal Botanic Gardens, Kew. All images copyright of the artists and photographers (see images for credits).

Dransfield, J. 1979. A Manual of the rattans of the Malay Peninsula. Malayan Forest Recirds 29.. Forest Department, Ministry of Primary Industries, Malaysia.

Many Special Thanks to Ed Vaile for his long hours of tireless editing and numerous contributions.

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