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

9. Indosasa patens C. D. Chu & C. S. Chao, Acta Phytotax. Sin. 21: 72. 1983.

横枝竹 heng zhi zhu

Culms to 12 m, 8–12 cm in diam.; internodes initially green, purple striate, 40–60 cm, densely setose; cavity pith spongy or lamellate; nodes weakly prominent. Culm sheaths purple-brown, green-brown on smaller culms and at culm apex, unspotted, shorter than internodes, slightly glaucous, setose in scattered clumps, margins ciliate; auricles small, rugose; oral setae 1–1.5 cm, scabrid; ligule truncate or weakly prominent, 2–3 mm, dark brown ciliate; blade green-brown, triangular or lanceolate, broad, scabrous. Leaves 2–5 per ultimate branch; sheath glabrous; auricles small; oral setae sparse, 5–10 mm; blade broadly linear-lanceolate, 13–25 × 2–4 cm, pubescent or subglabrous, secondary veins 5–7-paired. Inflorescence unknown. New shoots Apr.

* Evergreen broad-leaved forests on low hills. N Guangxi.

This species is characterized by its open, horizontally spreading branches.


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