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 collina

HABIT Perennial. Rhizomes short; pachymorph. Culms erect; 200–300 cm long; 5–10 mm diam.; woody. Culm-internodes terete; with small lumen, or solid; 30–40 cm long; striate; distally glabrous. Lateral branches dendroid. Bud complement 1. Branch complement several; in an irregular line. Culm-sheaths persistent; coriaceous; glabrous, or hispid; with tawny hairs; without auricles; setose on shoulders; shoulders with straight hairs; shoulders with 5–10 mm long hairs. Culm-sheath ligule 0.5–1 mm high. Culm-sheath blade linear, or lanceolate; reflexed; 2–9 cm long; 1.5–2.5 mm wide; glabrous on surface. Leaves 2–5 per branch. Leaf-sheaths 4.2–6 cm long; glabrous on surface. Leaf-sheath oral hairs scanty, or lacking; erect; 2–3 mm long. Ligule an eciliate membrane; 0.5 mm long; truncate. Leaf-blade base cuneate; with a brief petiole-like connection to sheath; petiole glabrous. Leaf-blades deciduous at the ligule; lanceolate; 7–22.5 cm long; 12–18 mm wide. Leaf-blade venation with 8–10 secondary veins; with obscure cross veins. Leaf-blade surface glabrous. Leaf-blade margins scaberulous. 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.