Yushania dafengdingensis

HABIT Perennial. Rhizomes short; pachymorph. Culms erect; 200–400 cm long; 12–20 mm diam.; woody; 12–16 -noded. Culm-internodes terete; with small lumen; 18–22 cm long; smooth; distally mealy. Lateral branches dendroid; erect, or ascending. Bud complement 1. Branch complement one. Culm-sheaths persistent; 6–10 cm long; 0.3–0.5 length of internode; 1.3 times as long as wide; coriaceous; glabrous; convex at apex; auriculate; setose on shoulders; shoulders with 10–12 mm long hairs. Culm-sheath ligule 1–2.5 mm high. Culm-sheath blade lanceolate, or triangular; erect; 8–25 cm long; 3–6 mm wide; glabrous on surface. Leaves 3–6 per branch. Leaf-sheaths 6–10 cm long; glabrous on surface; outer margin glabrous. Leaf-sheath oral hairs setose; 6–10 mm long. Leaf-sheath auricles falcate. Ligule an eciliate membrane; 1–1.5 mm long; truncate. Leaf-blade base cuneate; with a brief petiole-like connection to sheath; petiole 0.1–0.15 cm long; petiole glabrous. Leaf-blades lanceolate; 12–18 cm long; 20–37 mm wide; chartaceous; mid-green and glaucous; discolorous with last colour beneath. Leaf-blade venation with 8–14 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.