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

8. Yushania weixiensis T. P. Yi, J. Bamboo Res. 5(1): 42. 1986.

竹扫子 zhu sao zi

Rhizome neck 20–50 cm; internodes 7–10 mm in diam., hollow. Culms 1–2 m, 3–10 mm in diam.; internodes terete, 18–25 cm, initially white powdery, white-gray setulose; wall ca. 2 mm thick; nodes with level or weakly prominent supra-nodal ridge; sheath scar prominent, initially yellow-brown setose. Branches 3–7. Culm sheath persistent, narrowly rounded, glabrous or sparsely yellow-brown setose, longitudinal ribs prominent; auricles and oral setae absent; ligule truncate or arcuate, ca. 0.5 mm, glabrous; blade conical or linear-lanceolate, revolute. Leaves 3–5 per ultimate branch; sheath margins glabrous; auricles absent; oral setae 3–5, yellow, 1–4 mm; ligule truncate or arcuate, glabrous; blade narrowly lanceolate, 3.4–7 × 0.3–0.6 cm, glabrous, secondary veins 2- or 3-paired, transverse veins slightly visible, base broadly cuneate, margins smooth. Inflorescence unknown. New shoots Jul.

* 2300–2600 m. W Yunnan.


 

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