Calamus extensus Mart.
Calamus fasciculatus Roxb.
Calamus viminalis var. andamanicus Becc.
Calamus viminalis var. bengalensis Becc.
Family: Arecaceae - Palm family
Growth Habit: Shrub
Bangla/Vernacular Name: Khorkoijja bet, Karak bet.
Tribal Name: Karath (Chakma), Riama (Murang), Hraika bathai/Hrbichuk (Tripura).
English Name: Cane.
A large, climbing shrub; clustering to form dense clumps. Leaves 1.5-2m long; leaflets distinctly grouped in fasicles, spinulose beneath; rachis and petiole with scattered short hooked spines. Spadix very long, covered with long spathes, Fruits: globose.
Ripe fruit pulps are edible (Bawm, Chakma, Marma and Tripura). Various tools and crafts are prepared by all the tribes.
In secondary forests of Chittagong, Chittagong Hill tracts, Cox's Bazar and Sylhet.