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

54. Yushania pauciramificans T. P. Yi, Bull. Bot. Res., Harbin. 8(4): 71. 1988.

少枝玉山竹 shao zhi yu shan zhu

Rhizome neck 14–50 cm, 6–12 mm in diam. Culms 2–3.5 m, 0.6–1.2 cm in diam.; internodes purple, terete, 15–27 cm, initially with a white powdery ring below each node, glabrous; wall 2.5–3.5 mm thick; nodes with weakly prominent supra-nodal ridge; sheath scar greatly prominent, woody, glabrous. Branches 1–3 at lower nodes, ca. 5 at upper. Culm sheaths persistent, triangularly narrowly rounded, 2/5–1/2 as long as internodes, cartilaginous, erectly gray setose, adaxially waxy, margins densely gray-yellow setose; auricles absent; oral setae present initially; ligule truncate or convex, 1–1.5 mm, glabrous; blade linear-lanceolate, glabrous, revolute. Leaves 2–5 per ultimate branch; sheath margins glabrous; auricles absent; oral setae 5–7, gray-yellow, 3–9 mm; ligule truncate, glabrous; blade lanceolate or elliptic-lanceolate, 5.2–16 × 1.1–2.8 cm, glabrous, secondary veins 4–6-paired, transverse veins distinct, base broadly cuneate or rounded, one margin serrulate, other margin obscurely so. Inflorescence unknown. New shoots Aug.

* About 2500 m. C Yunnan.


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