GrassBase - The Online World Grass Flora


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

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

Yushania gigantea

HABIT Perennial. Rhizomes elongated; pachymorph. Culms erect; 600–700 cm long; 20–30 mm diam.; woody. Culm-internodes terete; hollow; (5–)40–45(–50) cm long; smooth, or antrorsely scabrous. Lateral branches dendroid. Bud complement 1. Branch complement many. Culm-sheaths persistent; coriaceous; concolorous; glabrous on margins; without auricles; glabrous on shoulders. Culm-sheath ligule 1–2 mm high; purple. Culm-sheath blade linear, or lanceolate; spreading, or reflexed; 2–7 cm long; 3–6 mm wide. Leaves (5–)6(–7) per branch. Leaf-sheaths (2.5–)3.2–4.8 cm long. Leaf-sheath oral hairs setose. Leaf-sheath auricles absent. Ligule an eciliate membrane; 1 mm long; purple; truncate. Leaf-blade base cuneate; with a brief petiole-like connection to sheath; petiole 0.1–0.25 cm long; petiole glabrous. Leaf-blades linear, or lanceolate; (3.5–)10–18(–20) cm long; (4.5–)8–13(–18) mm wide; chartaceous. Leaf-blade venation with 6–8 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 & Yang 2014.

Please cite this publication as detailed in How to Cite Version: 3rd February 2016.