Drepanostachyum membranaceum

HABIT Perennial; caespitose. Rhizomes short; pachymorph. Culms erect; erect at the tip; 140–200 cm long; 5–10 mm diam.; woody. Culm-internodes terete; with small lumen; 13–15 cm long; estriate; distally glabrous. Culm-nodes swollen. Lateral branches dendroid; ascending. Bud complement 1. Branch complement several, or many; thinner than stem. Culm-sheaths persistent; 15–24 cm long; 9–10 times as long as wide; chartaceous; purple; hispid; with tawny hairs; hairy on margins; without auricles; glabrous on shoulders. Culm-sheath ligule 1–2 mm high; fimbriate. Culm-sheath blade linear; narrower than sheath; erect, or spreading; 0.5–6 cm long; 1–1.5 mm wide; glabrous on surface. Leaves 4–5 per branch. Leaf-sheaths 2.2–3.2 cm long; striately veined; glabrous on surface; outer margin hairy. Leaf-sheath oral hairs lacking. Leaf-sheath auricles absent. Ligule an eciliate membrane; 1–1.5 mm long. Collar with external ligule. Leaf-blade base cuneate; with a brief petiole-like connection to sheath. Leaf-blades linear, or lanceolate; 4–10 cm long; 3–6 mm wide; chartaceous. Leaf-blade venation with 4 secondary veins; with distinct cross veins. Leaf-blade surface glabrous. Leaf-blade margins scabrous. Leaf-blade apex acuminate.

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.