2. Bambusa flexuosa Munro, Trans. Linn. Soc. London. 26: 101. 1868.
小簕竹 xiao le zhu
Bambusa scabriculma W. T. Lin.
Culms 6–7 m, 3.5–6 cm in diam., basally flexuose, apically nodding; internodes 20–30 cm, sparsely stiffly brown strigose, with a ring of silky brown hairs below each node; wall thick. Branches to base, solitary at lower nodes, flexuose, densely interwoven, branchlets specialized into tough thorns, higher nodes with 3 to several branches. Culm sheaths tardily deciduous, leathery, prominently ribbed-striate when dry, sparsely stiffly dark brown strigose, apex concave with a triangular protuberance on each shoulder; auricles narrowly filiform or absent; ligule 4–5 mm, dentate or laciniate, fimbriate; blade erect or recurved, ovate-lanceolate to lanceolate, base ca. 1/2 as wide as sheath apex. Leaf blade narrowly lanceolate to lanceolate, 7–11 × 1.2–1.6 cm, both surfaces glabrous. Pseudospikelets solitary or clustered, slightly compressed, 2–3 cm, gemmiferous bracts ca. 4; florets 8–12 with middle florets perfect; rachilla flexuose, internodes flat, 2–2.5 mm, hispid. Glumes usually absent; lemma oblong-lanceolate, 8–10 mm, apex acute; palea usually shorter than lemma, keels ciliate; lodicules 3, subequal, margins long ciliate, apex obtuse. Filaments enlarged at base; anther obtuse at apex. Style short; stigmas 3.
* Hills, river banks. Guangdong, Hainan.
Bambusa flexuosa is usually planted as a thorny hedge to keep out animals. It has been named incorrectly by some authors as Bambusa bambos (Linnaeus) Voss.