Bambusa pachinensis Hayata

Culms 3–8 m, 1–4.5 cm in diam., apically slightly drooping; internodes 30–70 cm, initially thinly white powdery, sparsely stiffly pale or dark brown strigose; wall thin; nodes flat, basal 5 nodes usually with rings of gray-white silky hairs below and above sheath scar; branching from 8th to 10th node up. Branches several to many, clustered, 3 central dominant. Culm sheaths deciduous, leathery, rigid, broadly arched, uniformly stiffly dull brown strigose, apex slanted on outer side, asymmetrical; auricles unequal, slightly wrinkled, larger ones oblong or lanceolate, 1–1.5 × 0.4–0.5 cm, ends subrounded and slanted downward, smaller auricle subovate, ca. 1/3 size of larger one, ends slightly ascending; oral setae fine, curved, long; ligule ca. 1 mm, irregularly dentate or long fimbriate; blade erect, slightly asymmetrically ovate to ovate-triangular, 1/3–1/2 length of sheath, base slightly cordate, narrowed and joined with auricles for 2–3 mm, abaxially very sparsely brown hairy, adaxially scabrous, apex acuminate, apiculate. Leaf blade linear to lanceolate, 8–18 × 1–2 cm, abaxially densely villous, adaxially glabrous. Pseudospikelets lanceolate to linear-lanceolate, 2–3.5 × 0.4–0.5 cm; prophylls ca. 2.5 mm, keels ciliolate; gemmiferous bracts 2 or 3, ovate, to 7 mm, glabrous, 15–17-veined, apex obtuse and mucronate. Lemma ovate-elliptic, ca. 1.2 cm, glabrous, 17–19-veined, apex acute, mucronate; palea lanceolate, ca. 1.1 cm, slightly shorter than lemma, keels not ciliate, 5- or 6-veined between and 3- or 4-veined on either side of keels, margin irregularly dentate, apex 3-fid and with a cluster of white long hairs; lodicules 3, unequal, anterior 2 spatulate, ca. 3 mm, margins long ciliate, posterior 1 nearly obovate-elliptic, ca. 1.6 mm. Filaments slender; anthers ca. 4 mm. Ovary ovoid, ca. 1.5 mm, base stalked, apex thickened and hispid; style ca. 0.5 mm, hispid; stigmas 3, ca. 5 mm. Mature caryopsis unknown.

* Usually cultivated, river banks, low hills, around villages. Fujian, Guangdong, Guangxi, Jiangxi, Taiwan, Zhejiang.

Bambusa pachinensis là một loài thực vật có hoa trong họ Hòa thảo. Loài này được Hayata mô tả khoa học đầu tiên năm 1916.

米筛竹（学名：Bambusa pachinensis）为禾本科簕竹属下的一个种。