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 grammata

HABIT Perennial. Rhizomes short; pachymorph. Culms geniculately ascending; 150–300 cm long; 4–15 mm diam.; woody; 8–21 -noded. Culm-internodes terete; solid; 10–14 cm long; distally hispid. Culm-nodes flush with internodes. Lateral branches suffrutescent; erect. Bud complement 1. Branch complement one. Culm-sheaths persistent; coriaceous; hispid; with appressed hairs; with tawny hairs; hairy on margins; auriculate; setose on shoulders; shoulders with straight hairs. Culm-sheath ligule 1 mm high. Culm-sheath blade linear, or lanceolate; reflexed; 0.7–4.5 cm long; 1.3–3.2 mm wide. Leaves 4–14 per branch. Leaf-sheaths 7–15 cm long; glabrous on surface, or hispid; with tubercle-based hairs; outer margin glabrous. Leaf-sheath oral hairs scanty, or lacking. Ligule an eciliate membrane; 1–1.5 mm long; truncate. Leaf-blade base cuneate; with a brief petiole-like connection to sheath. Leaf-blades lanceolate; 16–25 cm long; 16–35 mm wide; chartaceous. Leaf-blade venation with 10–14 secondary veins; with distinct cross veins. Leaf-blade surface pubescent; hairy abaxially. 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.