Bambusa sinospinosa Mcclure

Culms 15–24 m, 8–14 cm in diam., apically slightly drooping; internodes 20–26 cm, mainly glabrous but with a ring of gray silky hairs below basal 1 or 2 nodes; wall 10–30 mm thick; branching to base. Branches usually solitary at lower nodes, with tough thorns; branchlets interwoven; branches 3 to several above lower nodes. Culm sheaths tardily deciduous, leathery, densely stiffly dark brown hairy toward base, apex truncate; auricles usually reflexed, oblong to obovate, subequal, rugose, adaxially densely strigose, margin with undulate or erect setae; ligule 3–5 mm, dentate, fimbriate; blade erect or recurved, base ca. 1/2 width of sheath apex. Leaf blade linear-lanceolate, 7–17 × 1.2–1.6 cm, both surfaces glabrous or abaxially proximally pilose. Pseudospikelets solitary or several clustered at each node of flowering branch, linear to linear-lanceolate, slightly compressed, to 4 cm, prophylls obtuse, keels ciliolate; gemmiferous bracts 3–5, narrowly triangular or subovate, glabrous, obtuse; fertile florets 6–12; rachilla internodes 2–4 mm. Glumes usually absent; lemma ovate-oblong, 5–9.5 mm, many veined, apex obtusely acute or acute with fine tip; palea usually slightly longer than lemma, keels ciliolate, 3–5-veined between keels; lodicules 3, unequal, obovate, ca. 1.4 mm, obtuse, margins ciliate. Filaments distinct; anther obtuse at apex. Ovary narrow, apex thickened and hispidulous; style slender, hispidulous; stigmas 3. New shoots May–Jun, fl. Aug–Dec.

It is a tropical plant. It grows by riversides and in villages. In XTBG Yunnan. In Sichuan.

It can be grown as a hedge.