马来甜龙竹 ma lai tian long zhu

Bambusa aspera Schultes & J. H. Schultes, Syst. Veg. 7: 1352. 1830; Dendrocalamus flagellifer Munro; Gigantochloa aspera (Schultes & J. H. Schultes) Kurz; Sinocalamus flagelli-fer (Munro) T. Q. Nguyen.

Culms 15–20 m, 6–10(–12) cm in diam.; internodes 30–50 cm. Branches from ca. 9th node up, central branch dominant. Culm sheaths deciduous, initially light green, leathery, apex rounded; ligule 7–10 mm, margin with brown setae; auricles linear, ca. 20 × 7 mm, margin undulate; oral setae present; blade reflexed, lanceolate. Leaf sheaths initially sparsely hairy, becoming glabrous; ligule truncate, ca. 2 mm, entire or serrulate; blade variable, lanceolate or oblong-lanceolate, (10–)20–30(–35) × (1.5–)3–5 cm. Spikelets 6–9 mm; florets 4 or 5, apical one sterile. Glumes 1 or 2, ovate-lanceolate; lemma broadly ovate, margins ciliate; palea about as long as lemma, keels and margins ciliate, 1–3-veined between and 2-veined on either side of keels. Anthers 3–5 mm, apex apiculate. Ovary hairy; style hairy; stigmas 1. Fruit unknown.

Hong Kong, Taiwan, Yunnan [Indonesia, Laos, Malaysia, Myanmar, Philippines, Thailand].