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

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

金平玉山竹 jin ping yu shan zhu

Rhizome neck 15–50 cm. Culms 3–5 m, 1–1.5 cm in diam.; internodes terete, 23–32 cm, initially basally densely white powdery and brown setose; wall 1.5–5 mm thick; nodes with level or weakly prominent supra-nodal ridge; sheath scar prominent. Branches 6–8. Culm sheath persistent, narrowly triangular, shorter than internode but at least 3/5 as long, thinly leathery, abaxially sparsely yellow or yellow-brown setose, setae especially dense at base, margins densely yellow or yellow-brown setose apically, longitudinal ribs and cross veinlets very prominent, apex triangular; auricles absent; oral setae deciduous, absent or light yellow; ligule truncate, ca. 1 mm, initially ciliate; blade linear or linear-lanceolate, glabrous, revolute. Leaves 3–6 per ultimate branch; sheath glabrous or basally yellow setose; auricles absent; oral setae 3–9, gray-yellow, ca. 6 mm; ligule truncate, ca. 0.5 mm, glabrous; blade lanceolate, 4.3–9.2 × 1–1.5 cm, glabrous, secondary veins 4- or 5-paired, transverse veins slightly distinct, base broadly cuneate or rounded, one margin serrulate, other obscurely so. Inflorescence unknown. New shoots Sep.

* 2100–2300 m. S Yunnan.


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