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Descriptions

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

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

Ampelocalamus saxatilis

HABIT Perennial. Rhizomes elongated; leptomorph. Culms erect; inclined at the tip, or nodding at the tip; 300–600 cm long; 5–15 mm diam.; woody; 22–30 -noded. Culm-internodes terete; hollow; 22–55 cm long; dark green; striate; antrorsely scabrous. Culm-nodes swollen; glabrous. Lateral branches dendroid. Bud complement 1. Branch complement several; with 1 branch dominant. Culm-sheaths tardily deciduous; 10–18 cm long; 3–4 times as long as wide; chartaceous; green, or purple; concolorous, or distinctly mottled with last colour; glabrous, or puberulous; hairy on margins; truncate at apex; without auricles. Culm-sheath ligule 1 mm high; entire, or ciliolate. Culm-sheath blade linear, or lanceolate; narrower than sheath; reflexed; 0.4–4.5 cm long; 2–10 mm wide; glabrous on surface; acuminate. Leaves 4–10 per branch. Leaf-sheaths 3–8 cm long; glabrous on surface; outer margin hairy. Leaf-sheath oral hairs setose; spreading. Leaf-sheath auricles falcate. Ligule a ciliolate membrane. Leaf-blade base cuneate; with a brief petiole-like connection to sheath; petiole 0.3–0.4 cm long. Leaf-blades deciduous at the ligule; lanceolate; 8–18 cm long; 10–22 mm wide; chartaceous. Leaf-blade venation with 8–12 secondary veins; without cross veins. Leaf-blade margins scaberulous. Leaf-blade apex acuminate; pungent.

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.