''Calamus poilanei''Conrard (1938) In: H Lecomte ''et al.''''Flore Générale de l'Indo-Chine'' 6: 1027; and in: ''Notul. Syst.'' (Paris) 7: 28. is an Asian species of

tropical forest Tropical forests (a.k.a. jungle) are forested landscapes in tropical regions: ''i.e.'' land areas approximately bounded by the tropic of Cancer and Capricorn, but possibly affected by other factors such as prevailing winds. Some tropical fores ...

rattan Rattan, also spelled ratan, is the name for roughly 600 species of Old World climbing palms belonging to subfamily Calamoideae. The greatest diversity of rattan palm species and genera are in the closed-canopy old-growth tropical forests of ...

liana A liana is a long- stemmed, woody vine that is rooted in the soil at ground level and uses trees, as well as other means of vertical support, to climb up to the canopy in search of direct sunlight. The word ''liana'' does not refer to a ta ...

in the family

Arecaceae The Arecaceae is a family of perennial flowering plants in the monocot order Arecales. Their growth form can be climbers, shrubs, tree-like and stemless plants, all commonly known as palms. Those having a tree-like form are called palm trees ...

. Its native range is Thailand, Laos, central and southern Vietnam and no subspecies are listed. Its name in Vietnamese is ''(mây) song bột'', ''wai nampung'' in Thailand and ''wai khom'' or ''wai thoon'' in Laos.

Use and conservation status

''Calamus poilanei'' is considered "of high conservation concern and listed as threatened". Although relatively widespread within the region,

deforestation Deforestation or forest clearance is the removal of a forest or stand of trees from land that is then converted to non-forest use. Deforestation can involve conversion of forest land to farms, ranches, or urban use. The most concentrated d ...

and high harvesting pressure has caused the collapse of many populations in Laos, where it is the most economically important

. Stem harvesting is the main threat, but the (edible) shoot harvesting may threaten some remnant populations. Its solitary habit hinders regeneration and intensive harvest has resulted in very few remaining mature fruiting stems.POWO: ''Calamus poilanei'' Conrard (retrieved 6 February 2021)
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References

External links

* {{Taxonbar, from=Q15461276 poilanei Flora of Indo-China