Himalayacalamus asper

HABIT Perennial; caespitose. Rhizomes short; pachymorph. Culms drooping at the tip; 500–600 cm long; 10–20 mm diam.; woody; without nodal roots. Culm-internodes terete; hollow; 20–30 cm long; striate; smooth; distally pruinose. Lateral branches dendroid. Branch complement many. Culm-sheaths deciduous; 25 cm long; 2 times as long as wide; coriaceous; without auricles; glabrous on shoulders. Culm-sheath ligule 6 mm high; lacerate. Culm-sheath blade triangular; demarcated but persistent; reflexed; 5–7 cm long; 4–6 mm wide; pubescent. Leaves 5–6 per branch. Leaf-sheaths glabrous on surface; outer margin glabrous. Leaf-sheath oral hairs scanty, or setose. Ligule an eciliate membrane; 1 mm long; with a secondary abaxial membrane; obtuse. Collar with external ligule. Leaf-blade base with a brief petiole-like connection to sheath; petiole glabrous. Leaf-blades lanceolate; 10–17 cm long; 10–20 mm wide. Leaf-blade venation without cross veins. Leaf-blade surface glabrous. Leaf-blade margins scabrous. Leaf-blade apex acuminate.

INFLORESCENCE Flowering specimens unknown.

DISTRIBUTION Asia-tropical: India.

NOTES Arundinarieae. Stapleton 2002.

Please cite this publication as detailed in How to Cite Version: 3rd February 2016.