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

29. Chimonobambusa rigidula (Hsueh & T. P. Yi) T. H. Wen & Ohrnberger in Ohrnberger, Bamboos World Gen. Chimono-bambusa, 42. 1990.

实竹子 shi zhu zi

Qiongzhuea rigidula Hsueh & T. P. Yi, Acta Phytotax. Sin. 21: 96. 1983; Oreocalamus rigidulus (Hsueh & T. P. Yi) P. C. Keng.

Culms 2–4(–6) m, 1.5–2.5 cm in diam.; internodes slightly 4-angled or terete, (10–)15–18(–24) cm, glabrous; wall 4–10 mm; nodes with slightly projecting sheath scar. Branches 3 per node, subequal. Culm sheaths deciduous, thickly papery or leathery, margins densely yellow ciliate; auricles absent; ligule truncate; blade readily deciduous, triangular, glabrous. Leaves (1 or)2–5 per branchlet; auricles and oral setae absent; ligule truncate; blade lanceolate, 7–13 × 0.8–1.7 cm, with distinct, transverse veins. Flowering branches leafless or with terminal leaves on branchlets; inflorescence paniculate, 1–4 single pseudospikelet racemes grouped in loose fascicles, subtended by 3 or 4, gradually enlarged bracts. Spikelets 3–6-flowered. Glumes 2(or 3); rachilla disarticulating, internodes 2–5 mm, glabrous; lemma 8–14 mm, papery; palea thinner than lemma, 2-keeled, obtuse; lodicules purple, lanceolate, 1.5–3 mm, upper margin ciliate. Ovary ovoid; style 1; stigmas 2, plumose. Caryopsis nutlike. New shoots Sep; shoots purple.

* Hilltops; 1300–1700 m. S Sichuan.


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