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

23. Yushania lacera Q. F. Zheng & K. F. Huang, Acta Phytotax. Sin. 22: 218. 1984.

撕裂玉山竹 si lie yu shan zhu

Rhizome neck ca. 27 cm; internodes solid. Culms to 2 m, to 0.8 cm in diam.; internodes terete, 11–23 cm, distally white setulose with a thickly white powdery ring below each node; wall 1.5–2.2 mm thick; nodes with weakly prominent supra-nodal ridge; sheath scar prominent. Branches 3–6. Culm sheath gradually deciduous or persistent, shorter than internode, thinly leathery, purplish setulose, margins purplish ciliate, longitudinal ribs greatly prominent; auricles absent or small; oral setae absent; ligule ca. 1.5 mm, fissured, tomentulose, purple ciliate; blade linear-lanceolate, revolute. Leaves 3–8 per ultimate branch; sheath glabrous; auricles absent or small; oral setae 2–6, easily deciduous, erect, 3–8 mm; ligule truncate, ca. 1 mm, glabrous; blade lanceolate, 4.5–13 × 1–1.2 cm, abaxially gray pubescent, secondary veins 4- or 5-paired, transverse veins not distinct, base cuneate or broadly cuneate, one margin densely serrulate, other margin sparsely so, apex acuminate. Inflorescence unknown. New shoots May.

* 1700–1800 m. N Fujian.


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