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

20. Yushania maculata T. P. Yi, J. Bamboo Res. 5(1): 33. 1986.

斑壳玉山竹 ban ke yu shan zhu

Rhizome neck ca. 40 cm; internodes solid. Culms 2–3.5 m, 0.8–1.5 cm in diam.; internodes terete, 30–40 cm, initially densely white powdery, with gray or light yellow setae; wall 2–3 mm thick; supra-nodal ridge level or weakly prominent; sheath scar prominent, initially densely brown setose. Branches 7–12. Culm sheaths persistent, dark purple-brown spotted, oblong-triangular, ca. 1/3 as long as internodes, cartilaginous, mainly glabrous but sparsely brown setose at base, margins initially brown setulose, longitudinal ribs prominent; auricles absent; oral setae 3–5, erect, purple, 5–10 mm; ligule truncate, 1–2.5 mm; blade linear-lanceolate, glabrous, revolute. Leaves 3–5 per ultimate branch; sheath glabrous; auricles absent; oral setae 3–5, erect, purple, 4–7 mm; ligule truncate or arcuate, ca. 1 mm, glabrous; blade linear-lanceolate, 9–15 × 0.9–1.1 cm, glabrous, secondary veins 4-paired, transverse veins not distinct, base cuneate, margins initially serrulate, apex long acuminate. Inflorescence unknown. New shoots Aug.

* 1800–3500 m. SW Sichuan, NE Yunnan.


 

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