GrassBase - The Online World Grass Flora


W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson

© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.

Ampelocalamus microphyllus

HABIT Perennial. Rhizomes elongated; leptomorph. Culms erect; 200–600 cm long; 5–15 mm diam.; woody; 15–30 -noded. Culm-internodes terete; hollow; 5–35 cm long; light green; smooth; distally mealy, or glabrous. Culm-nodes swollen. Lateral branches dendroid; ascending. Bud complement 1. Branch complement several; with 1 branch dominant. Culm-sheaths tardily deciduous; 9–14 cm long; 4–5 times as long as wide; chartaceous; puberulous; with grey hairs; without auricles. Culm-sheath ligule entire. Culm-sheath blade linear, or lanceolate; reflexed; 0.8–6 cm long; 2–6 mm wide; glabrous on surface; acuminate. Leaves 4–10 per branch. Leaf-sheaths 2–4 cm long; glabrous on surface. Leaf-sheath oral hairs setose; spreading. Leaf-sheath auricles absent. Ligule a ciliolate membrane; 1 mm long; lacerate; truncate. Leaf-blade base with a brief petiole-like connection to sheath; petiole 0.1–0.15 cm long. Leaf-blades deciduous at the ligule; lanceolate; 3–9 cm long; 4–11 mm wide; chartaceous. Leaf-blade venation with 4 secondary veins; without cross veins. Leaf-blade surface glabrous. Leaf-blade margins scaberulous. Leaf-blade apex acuminate.

INFLORESCENCE Flowering specimens unknown.

DISTRIBUTION Asia-temperate: China.

NOTES Arundinarieae. Hsueh & Li 2002.

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