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 menghaiensis

HABIT Perennial. Rhizomes short; pachymorph. Culms erect; erect at the tip; 200–350 cm long; 10–13 mm diam.; woody. Culm-internodes terete; with small lumen; 23–26 cm long; estriate; distally mealy. Lateral branches dendroid; erect, or ascending. Branch complement several, or many. Culm-sheaths persistent; 7–17 cm long; 0.3–0.5 length of internode; 3 times as long as wide; coriaceous; yellow; hispid; with appressed hairs; with tawny hairs; hairy on margins; without auricles; glabrous on shoulders, or setose on shoulders; shoulders with 3–4 mm long hairs. Culm-sheath ligule 1 mm high; entire. Culm-sheath blade linear; reflexed; 1–5.5 cm long; 1.5–2.2 mm wide; glabrous on surface. Leaves 4–7 per branch. Leaf-sheaths 2.7–5 cm long; glabrous on surface; outer margin glabrous. Leaf-sheath oral hairs setose; 1.5–4 mm long. Ligule a ciliolate membrane; 0.6 mm long; truncate. Leaf-blade base cuneate; with a brief petiole-like connection to sheath; petiole 0.15–0.25 cm long; petiole pubescent. Leaf-blades lanceolate; 3–24 cm long; 8–31 mm wide; chartaceous. Leaf-blade venation with 8–10 secondary veins; with obscure cross veins. Leaf-blade surface pilose; densely hairy. 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.