刺黑竹 ci hei zhu

Chimonobambusa neopurpurea T. P. Yi.

Culms 4–8 m, 1.5–5 cm in diam.; internodes green, ca. 18(–25) cm, glabrous; supra-nodal ridges slightly prominent; sheath scar raised, initially yellowish brown setose, becoming glabrous. Culm sheaths persistent, brown or gray spotted, longer than internodes, papery, initially sparsely brown or yellow setose, margins ciliate; ligule minute; blade 1–3 mm, articulate. Leaves 2 or 3 per ultimate branch; sheath margins ciliolate; oral setae pale, 3–4 mm; ligule truncate; blade narrowly lanceolate, 5–19 × 0.5–2 cm. Inflorescence paniculate or racemose, terminal branches subtended by 4 or 5, persistent, gradually enlarged bracts. Pseudospikelets linear, 1–14.5 cm; florets 4–12. Glumes 1 or 2; rachilla segments 3–12 mm; lemma ovate-lanceolate, 7–12 mm, papery; lodicules ca. 2 mm. Anthers 4–6 mm. Style minute; stigmas 2. Caryopsis nutlike, ca. 4–7 mm. New shoots Aug–Sep.

* Hills to low mountains; 800–1500 m. Hubei, Shanxi, Sichuan.