Habitat: Common in east Nepal, Sikkim, and west Bengal and extends into western Bhutan (ele.1800-3000masl).
Culm & culm sheath: No dense ring of hairs, very rough culm, culm sheath with few bristles.
Leaf sheath: Tall bristle (oral setae) auricles small or absent, and long ligule.
Rhizome: Neck elongated with solid internode, mo roots on neck.
(Source: Bamboos of Bhutan, 1994)
