Drepanostachyum semiorbiculatum

HABIT Perennial; caespitose. Rhizomes short; pachymorph. Culms 300–420 cm long; 6–13 mm diam.; woody. Culm-internodes with small lumen; 15–30 cm long; distally mealy. Lateral branches dendroid; ascending. Bud complement 1. Branch complement many; with subequal branches. Culm-sheaths 12–20 cm long; coriaceous; glabrous; without auricles; glabrous on shoulders. Culm-sheath ligule 1–4 mm high; ciliate. Culm-sheath blade linear; reflexed; 2–5.5 cm long; 1.5–2 mm wide. Leaves 2–5 per branch. Leaf-sheaths glabrous on surface. Leaf-sheath oral hairs lacking. Ligule a ciliolate membrane; 1 mm long; pubescent on abaxial surface. Leaf-blade base with a brief petiole-like connection to sheath; petiole 0.1 cm long. Leaf-blades lanceolate; 2–10 cm long; 4–5 mm wide; chartaceous. Leaf-blade venation with 4–6 secondary veins; with obscure cross veins. Leaf-blade surface glabrous.

INFLORESCENCE Flowering specimens unknown.

DISTRIBUTION Asia-temperate: China.

NOTES Arundinarieae. Yi 2002.

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