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 rolloana

HABIT Perennial; caespitose; clumped loosely. Rhizomes short; pachymorph. Culms erect; 250–300 cm long; 5–7 mm diam.; woody; rooting from lower nodes. Culm-internodes terete; hollow; 20–30 cm long. Culm-nodes swollen. Lateral branches suffrutescent. Culm-sheaths persistent; 10–15 cm long; 4 times as long as wide; coriaceous; hispid; with appressed hairs; hairy on margins; truncate at apex; auriculate; setose on shoulders. Culm-sheath blade linear, or lanceolate; reflexed; 7.5–10 cm long. Leaf-sheaths striately veined; pilose. Leaf-sheath oral hairs ciliate. Leaf-sheath auricles falcate. Ligule an eciliate membrane; 0.5 mm long; truncate. Leaf-blade base cuneate; with a brief petiole-like connection to sheath. Leaf-blades lanceolate, or oblong; 15–20 cm long; 15–40 mm wide; chartaceous. Leaf-blade venation with 16–20 secondary veins; with distinct cross veins. Leaf-blade surface pubescent; sparsely hairy; hairy abaxially. Leaf-blade margins scabrous. Leaf-blade apex acute.

INFLORESCENCE Flowering specimens unknown.

DISTRIBUTION Asia-tropical: India and Indo-China.

NOTES Arundinarieae. Gamble 2002.

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