Yushania rugosa

HABIT Perennial. Rhizomes short; pachymorph. Culms erect; 100–200 cm long; 5–8 mm diam.; woody. Culm-internodes terete; with small lumen; 10–18 cm long; distally glabrous. Lateral branches dendroid; erect. Bud complement 1. Branch complement one. Culm-sheaths persistent; 4–6 cm long; coriaceous; glabrous, or pilose; hairy at the base; without auricles; glabrous on shoulders, or ciliate on shoulders; shoulders with 3–5 mm long hairs. Culm-sheath ligule 1 mm high. Culm-sheath blade lanceolate; reflexed; 0.5–2 cm long; 1.5–3 mm wide. Leaves 5–9 per branch. Leaf-sheaths 5.5–8.5 cm long. Leaf-sheath oral hairs scanty, or lacking; 2–4 mm long. Ligule an eciliate membrane; 1–1.5 mm long; truncate. Leaf-blade base cuneate; with a brief petiole-like connection to sheath; petiole 0.5–0.7 cm long. Leaf-blades lanceolate, or oblong; 9–20 cm long; 30–50 mm wide; chartaceous. Leaf-blade venation with 14–18 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.