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6. Ampelocalamus microphyllus (Hsueh & T. P. Yi) Hsueh & T. P. Yi, J. Bamboo Res. 4(2): 7. 1985.
坝竹 ba zhu
Sinocalamus microphyllus Hsueh & T. P. Yi, J. Yunnan Forest. Coll. 1982(1): 71. 1982 ["microphylla"]; Drepanostachyum microphyllum (Hsueh & T. P. Yi) Hsueh & T. P. Yi; Neosinocalamus microphyllus (Hsueh & T. P. Yi) P. C. Keng & T. P. Yi.
Culms 2–6 m, 5–15 mm in diam., internodes terete, 15–35 cm, initially white powdery, becoming glabrous; sheath ring elevated, woody; wall 1.5–2 mm thick; culm sheaths triangular, thickly papery, sparsely gray ciliate; auricles absent; ligule truncate or slightly concave, ca. 1 mm; blade reflexed, subulate or narrowly lanceolate, abaxially glabrous. Leaves 4–10 per ultimate branch; leaf sheath auricles absent; ligule truncate, ca. 1 mm, serrate; blade 3–9 × 0.4–0.8(–1.1) cm, glabrous, transverse veins not distinct. Inflorescence unknown. New shoots Aug.
* Steep slopes; 300–500 m. E and N Sichuan.
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