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.

Pseudosasa membraniligulata

HABIT Perennial. Rhizomes elongated; leptomorph. Culms erect; 100 cm long; 5 mm diam.; woody. Culm-internodes terete; hollow; 10–15 cm long; mid-green; distally glabrous. Culm-nodes glabrous. Lateral branches dendroid. Branch complement one, or two, or three. Culm-sheaths tardily deciduous; 5.5–9 cm long; 4–5 times as long as wide; chartaceous; purple; pubescent; hairy at the base; with purple hairs; hairy on margins; without auricles; glabrous on shoulders. Culm-sheath ligule 2–3 mm high; lacerate. Culm-sheath blade triangular; erect; 4–5 cm long; 1–15 mm wide. Leaves cauline; 2–4 per branch. Leaf-sheaths 5–5.5 cm long; glabrous on surface. Leaf-sheath oral hairs lacking. Leaf-sheath auricles absent. Ligule a ciliolate membrane; 1 mm long; truncate. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades lanceolate, or oblong; 12–18 cm long; 12–25 mm wide. Leaf-blade venation with 10–14 secondary veins. Leaf-blade surface pubescent. Leaf-blade apex acuminate.

INFLORESCENCE Flowering specimens unknown.

DISTRIBUTION Asia-temperate: China.

NOTES Arundinarieae. Yang 2002.

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