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 tenuicaulis

HABIT Perennial; caespitose; clumped loosely. Rhizomes short; pachymorph. Culms erect; nodding at the tip; 100–150 cm long; 2.5–4 mm diam.; woody. Culm-internodes terete; with small lumen; 12–17 cm long; distally glabrous. Lateral branches suffrutescent. Bud complement 1. Branch complement one; as thick as stem. Culm-sheaths persistent; 0.33–0.5 length of internode; coriaceous; purple; glabrous, or puberulous; hairy on margins; without auricles; ciliate on shoulders; shoulders with 1–3 mm long hairs. Culm-sheath ligule 0.5 mm high; purple. Culm-sheath blade linear, or lanceolate; erect, or reflexed; 0.5–1.2 cm long; 1–2 mm wide. Leaves 4–5 per branch. Leaf-sheath oral hairs setose; 3–4 mm long. Leaf-sheath auricles absent. Ligule an eciliate membrane; 0.5 mm long; purple; truncate. Leaf-blade base cuneate; with a brief petiole-like connection to sheath; petiole 0.2 cm long; petiole glabrous. Leaf-blades lanceolate; 12–15 cm long; 12–15 mm wide. Leaf-blade venation with 8–10 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.