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

2. Sporobolus coromandelianus (Retzius) Kunth, Révis. Gramin. 1: 68. 1829.

卡鲁满德鼠尾粟 ka lu man de shu wei su

Agrostis coromandeliana Retzius, Observ. Bot. 4: 19. 1786.

Annual. Culms loosely tufted, slender, ascending, 10–35 cm tall, branched. Leaf blades linear, flat, 3–10 × 0.2–0.5 cm, scaberulous, often with long scattered bristles, margins thickened, scabrid, sometimes with a few bristles but not pectinate, apex acute; ligule 0.4–1 mm. Panicle ovate, 2–7 cm; lowest primary branches whorled, succeeding branches subwhorled, lower 1/3–1/2 bare, a linear glandular patch on bare portion, spikelets borne on short 2–4-spiculate branchlets or directly on primary branches. Spikelets gray, narrowly elliptic, 1–1.7 mm, usually scaberulous; lower glume ovate, 0.2–0.4 mm, veinless, obtuse; upper glume elliptic, as long as spikelet, 1-veined, acute; lemma elliptic, slightly shorter than upper glume, 1-veined, acute. Anthers 3, 0.2–0.4 mm. Grain obovate, 0.7–0.8 mm, apex rounded. 2n = 24, 36.

Dry meadows with scattered trees; ca. 1000 m. Yunnan [Afghanistan, India, Indonesia (Java), Myanmar, New Guinea, Pakistan, Sri Lanka, Thailand; Africa, SW Asia; introduced in Australia].


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