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 gracilis

HABIT Perennial. Rhizomes elongated; leptomorph. Culms erect; 160 cm long; 4 mm diam.; woody. Culm-internodes terete; hollow; 15–24 cm long; mid-green. Culm-nodes flush with internodes. Lateral branches dendroid. Branch complement two, or three. Culm-sheaths persistent; coriaceous; glabrous, or puberulous; hairy on margins; without auricles; setose on shoulders; shoulders with 8 mm long hairs. Culm-sheath blade linear, or lanceolate; as wide as sheath at base; erect; glabrous on surface; acuminate. Leaves cauline; 2–3 per branch. Leaf-sheaths 2.5–3.5 cm long; pilose; outer margin hairy. Leaf-sheath oral hairs setose; spreading, or curly; 7–14 mm long. Leaf-sheath auricles absent. Ligule a ciliolate membrane; 0.5–1.5 mm long. Leaf-blade base with a brief petiole-like connection to sheath. Leaf-blades lanceolate; 14–19 cm long; 12–17 mm wide. Leaf-blade venation with 12–14 secondary veins; with obscure cross veins. Leaf-blade surface glabrous. Leaf-blade apex acuminate.

INFLORESCENCE Flowering specimens unknown.

DISTRIBUTION Asia-temperate: China.

NOTES Arundinarieae. Chen & Sheng 2002.

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