Indosasa angustata

HABIT Perennial. Rhizomes elongated; leptomorph. Culms erect; 800 cm long; 42 mm diam.; woody. Culm-internodes terete; with small lumen; distally glabrous. Culm-nodes with distinct supra-nodal ridge. Lateral branches dendroid; spreading. Branch complement two; with 1 branch dominant. Culm-sheaths deciduous; chartaceous; hispid; with tawny hairs; hairy on margins; without auricles; setose on shoulders; shoulders with 3–4 mm long hairs. Culm-sheath ligule 5 mm high; ciliate. Culm-sheath blade triangular; demarcated but persistent; erect; glabrous on surface. Leaves 4–10 per branch. Leaf-sheaths deciduous; ribbed; hispid; with tubercle-based hairs. Leaf-sheath oral hairs scanty, or lacking. Leaf-sheath auricles absent. Ligule an eciliate membrane; 1 mm long; pubescent on abaxial surface; obtuse. Leaf-blade base cuneate; with a brief petiole-like connection to sheath; petiole 0.5–1 cm long; petiole glabrous. Leaf-blades lanceolate; 15–21 cm long; 25–34 mm wide; chartaceous. Leaf-blade venation with 10–16 secondary veins; with distinct cross veins. Leaf-blade surface hispid; hairy abaxially. Leaf-blade margins scaberulous. Leaf-blade apex acuminate.

INFLORESCENCE Flowering specimens unknown.

DISTRIBUTION Asia-temperate: China.

NOTES Arundinarieae. McClure 2002.

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