Culms erect, 16–20 m, 3–3.5 cm in diam.; internodes 50–80 cm, smooth, glabrous; wall thin; nodal ridge not prominent. Branches many, clustered at each node, subequal. Culm sheaths deciduous, yellow, 20–38 cm, papery, densely brown ciliate, apex rounded and projecting upward on both sides of blade; auricles conspicuous; oral setae developed; ligule short; blade reflexed, narrowly lanceolate, to 25 cm, papery, articulate with sheath, adaxially ciliate, apex acute. Leaf sheaths 7–8 cm, pubescent, auricles inconspicuous; ligule truncate, short; blade ovate-elliptic, 25–30 × 8–10 cm, glabrous. Inflorescence capitate, solitary at tip of leafy branch, 2.5–5 cm in diam., subtended by bracts. Pseudospikelet 2–2.5 × 0.3–0.4 cm, with a rachilla extension. Glumes 1.5–2 cm, long mucronate or awned; lemma similar to glumes; palea slightly longer than lemma, membranous; lodicules 3, lanceolate, apex ciliate. Stamens 6; anthers yellow. Ovary ovoid; style 1; stigmas 2 or 3, plumose. Caryopsis nutlike, shortly apiculate.
More
A bamboo. The culms are erect and 16-20 m tall. They are 3-3.5 cm wide. The internodes are 50-80 cm apart. There are clusters of branches at each node. The leaf sheaths are 7-8 cm long and the leaves 25-30 cm long by 8-10 cm wide. The flowering shoots occur singly at the tip of leafy branches.
Home