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 angustifolia

HABIT Perennial; caespitose; clumped loosely. Rhizomes short; pachymorph. Culms erect; erect at the tip; 150–200 cm long; 5–7 mm diam.; woody. Culm-internodes terete; with small lumen; 16–22 cm long; distally glabrous. Lateral branches suffrutescent. Bud complement 1. Branch complement one (below), or three (above); with 1 branch dominant. Culm-sheaths persistent; 0.33–0.4 length of internode; hispid; with tawny hairs; hairy on margins; without auricles; ciliate on shoulders; shoulders with 1–3 mm long hairs. Culm-sheath ligule 0.5–1 mm high; purple. Culm-sheath blade linear, or lanceolate; erect, or reflexed; 0.3–2.5 cm long; 1–2(–3) mm wide. Leaves cauline; 4–6(–8) per branch. Leaf-sheaths glabrous on surface. Leaf-sheath oral hairs setose; erect; 3–8 mm long; dark. Leaf-sheath auricles absent. Ligule an eciliate membrane; 0.5–1 mm long; purple; truncate. Leaf-blade base cuneate; with a brief petiole-like connection to sheath; petiole 0.1–0.2 cm long. Leaf-blades lanceolate; 10–13 cm long; 6–10 mm wide. 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 & Shi 2009.

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