Chimonobambusa microfloscula McClure

Culms 4–6 m tall, 1.5–2 cm in diam.; internodes initially setose distally, persistently verrucose; wall thin; branching nodes with very prominent ridge, basal nodes each with a ring of root thorns; sheath scar level, glabrous, sometimes with slight base of persistent culm sheath. Branches 3 per node. Culm sheaths deciduous, shorter than internodes, thickly papery, veins distinct, veinlets indistinct, margins fulvous ciliate; ligule ca. 1 mm, sparsely ciliate; blade readily deciduous, subulate. Leaves 3–5 per ultimate branch; sheath thinly leathery, glabrous, margin ciliate; oral setae white, ca. 1.2 cm; leaf blade narrowly lanceolate, 9–22 × 0.7–0.9 cm, papery, abaxially sparsely white setulose, secondary veins 4- or 5-paired. Inflorescences 8–24 cm with up to 5 brown spikelets; pedicels short or absent. Glumes 2, membranous, apex blunt; lower glume 4–5 mm, abaxially sparsely hirtellous, 5-veined; upper glume 5–6 mm, glabrous, 7-veined; lemma 7–9 mm, membranous, glabrous, secondary veins purplish, apex long acuminate; palea subequal to lemma, 2-veined between keels, apex obtuse, subentire.

Yunnan [N Vietnam].

Sặt gai, tên khoa học Chimonobambusa microfloscula, là một loài thực vật có hoa trong họ Hòa thảo. Loài này được McClure mô tả khoa học đầu tiên năm 1940.

小花方竹（学名：Chimonobambusa microfloscula）为禾本科方竹属下的一个种。