It is found mainly in the hill slopes of Chottogram, Chottogram Hill Tracts and Sylhet. It is also found in the Sal forests of Bangladesh. It has spiny climbing stem or tendrils to climb on; that will be 2-3 m long. Leaf sheath whitish green, pubescent, densely covered with hook-like stout spines. Rachis 1-2 m long. Leaflets are green, lanceolate, 30-55 in per side, alternate.
In Sal forest of Gajipur
Inflorescence is very long, 2-3 m, flagellate. Male and female flowers are borne in different inflorescence; female is shorter than male.
Fruits appear in cluster; berry, usually globose, yellowish or whitish, almost 1 cm in diameter, pointed end, covered with scale-like particles one a…