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.

Otatea ramirezii

HABIT Perennial. Rhizomes short (5–15 cm); pachymorph. Culms erect; 200–300 cm long; 8–17 mm diam.; woody. Culm-internodes terete; with small lumen; 12–16 cm long; distally glabrous. Culm-nodes with distinct supra-nodal ridge. Lateral branches dendroid; intravaginal; ascending. Branch complement one. Culm-sheaths deciduous; 10–12 cm long; 3 times as long as wide; glabrous on shoulders. Culm-sheath ligule 0.5–1 mm high. Culm-sheath blade triangular; demarcated but persistent; 1.8–4.5 cm long; glabrous on surface; attenuate. Leaves 3–5(–7) per branch. Leaf-sheaths without keel; glabrous on surface. Leaf-sheath oral hairs lacking. Ligule a ciliolate membrane; 0.3–0.5 mm long; truncate. Collar with external ligule. Leaf-blade base with a brief petiole-like connection to sheath; petiole 0.1 cm long. Leaf-blades linear; (6.5–)8–11(–12.5) cm long; 4–8(–12) mm wide. Leaf-blade surface glabrous. Leaf-blade margins scaberulous. Leaf-blade apex attenuate.

INFLORESCENCE Flowering specimens unknown.

DISTRIBUTION North America: Mexico.

NOTES Bambuseae. Ruiz-Sanchez 2012.

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