白毛巨竹 bai mao ju zhu

Oxytenanthera albociliata Munro, Trans. Linn. Soc. London 26: 129. 1868 ["albo-ciliata"]; Dendrocalamus albociliatus (Munro) J. L. Sun; Pseudotenanthera albociliata (Munro) R. B. Majumdar; Pseudoxytenanthera albociliata (Munro) T. Q. Nguyen.

Culms 6–10 m, 2–5 cm in diam.; internodes 20–35 cm, white hispid; wall thick. Branches several, subequal. Culm sheaths deciduous, brown, 18–22 cm, leathery, initially sparsely dark brown hispid, glabrous in age; auricles absent; ligule 10–25 mm, irregularly serrate; blade erect. Ultimate branches with ca. 11 leaves. Leaf sheath initially pubescent, glabrous in age; ligule 1.5–3.5 mm, ciliate; blade 15–20 × 1.5–2.5 cm. Inflorescence on leafless branches. Pseudospikelets 10–20 per head. Spikelets 1.5–2 × 0.1–0.15 cm; florets 1 or 2. Glumes 2 or 3, ovate, white ciliate; lemma margins white ciliate; palea shorter than lemma. Anthers yellow. Ovary narrowly ovoid; style 6–7 mm; stigmas 1(or 2). Caryopsis unknown.

Tropical rain forests; 500–800 m. S Yunnan [India, Myanmar, Thailand].