Habitat: Coniferous and broadleaved forest in western Bhutan (ele.1800-2000masl).
Culm & culm sheath
tough sheath, hairy nodes, rough culm and large auricle with spreading bristle.
Leaf sheath
long ligule, long hair, large auricle with spreading bristle.
Rhizome neck
elongated with solid internodes and no roots at the neck.
(Source: Bamboos of Bhutan)