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FOC | Family List | FOC Vol. 22 | Poaceae | Fargesia

43. Fargesia yuanjiangensis Hsueh & T. P. Yi, J. Bamboo Res. 7(2): 76. 1988.

秀叶箭竹 xiu ye jian zhu

Shrubby bamboo. Culms 0.8–1.3 cm in diam.; internodes terete, 8–20 cm, initially lower parts white powdery, powdery-black when old, glabrous; wall 2.5–4 mm thick; supra-nodal ridges level; sheath scar prominent, initially appressed brown setulose. Branches 15–18 per node, deflexed; buds elliptic, setose near ciliate margins. Culm sheaths persistent, narrowly triangular, longer than internodes, proximally leathery, distally papery, brown setose, margins glabrous, longitudinal ribs prominent, apex linear-triangular; auricles absent; oral setae few, erect, white-gray; ligule truncate, ca. 1 mm, glabrous; blade erect, linear-lanceolate, glabrous, margins usually rolled and smooth. Leaves 3–6 per ultimate branch; sheath glabrous; auricles absent; oral setae few, erect or curved; ligule purple, truncate, ca. 1 mm, glabrous; blade narrowly lanceolate, 5.5–10.6 × 0.4–0.9 cm, glabrous, secondary veins 3- or 4-paired, transverse veins distinct, base cuneate, margins spinescent-serrulate, apex long acuminate. Inflorescence unknown.

* S Yunnan.


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