GrassBase - The Online World Grass Flora

Descriptions

W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson

© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.

Yushania pachyclada

HABIT Perennial. Rhizomes short; pachymorph. Culms erect; 100–200 cm long; 3–10 mm diam.; woody. Culm-internodes terete; with small lumen, or solid; 20–30 cm long; smooth; distally glabrous. Lateral branches dendroid. Bud complement 1. Branch complement one. Culm-sheaths persistent; 5–9 cm long; coriaceous; pilose; with grey hairs, or tawny hairs; without auricles; glabrous on shoulders. Culm-sheath ligule 1 mm high. Culm-sheath blade linear, or lanceolate; reflexed; 0.4–2.1 cm long; 1–1.5 mm wide. Leaves 2–5 per branch. Leaf-sheaths 3.5–5.5 cm long. Leaf-sheath oral hairs lacking. Ligule an eciliate membrane; truncate. Leaf-blade base cuneate; with a brief petiole-like connection to sheath. Leaf-blades lanceolate; 6–14 cm long; 11–20 mm wide; chartaceous. Leaf-blade venation with 8–12 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.