Himalayacalamus collaris

HABIT Perennial. Rhizomes short (3–4.5cm); pachymorph. Culms 200–600 cm long; 10–35 mm diam.; woody. Culm-internodes terete; hollow; 17–28 cm long; glaucous; ridged; distally mealy. Lateral branches dendroid. Branch complement many. Culm-sheaths deciduous but leaving a persistent girdle; coriaceous; brown; glabrous; hairy on margins; asymmetrical at apex; without auricles; glabrous on shoulders. Culm-sheath ligule 1 mm high; entire. Culm-sheath blade triangular; reflexed; hispid. Leaves 3–4 per branch. Leaf-sheaths glabrous on surface. Leaf-sheath oral hairs lacking. Leaf-sheath auricles absent. Ligule an eciliate membrane; 1 mm long; purple; obtuse. Leaf-blade base cuneate, or broadly rounded; with a brief petiole-like connection to sheath. Leaf-blades linear; 2–12.5 cm long; 3–19 mm wide. Leaf-blade venation with 6–8 secondary veins; without cross veins. Leaf-blade surface scaberulous; rough abaxially. Leaf-blade margins scabrous.

INFLORESCENCE Flowering specimens unknown.

DISTRIBUTION Asia-temperate: China. Asia-tropical: India.

NOTES Arundinarieae. Fl China 2006.

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