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

16. Eragrostis cumingii Steudel, Syn. Pl. Glumac. 1: 266. 1854.

珠芽画眉草 zhu ya hua mei cao

Eragrostis bulbillifera Steudel; E. reflexa Hackel.

Annual to perennial. Culms erect, tufted, slender, usually with scaly buds at base, glabrous, 20–70 cm tall, 1–1.5 mm in diam., 3–4-noded. Leaf sheaths compressed at base, glabrous, long pilose along summit; ligules 0.1–0.3 mm, fimbriate; leaf blades involute, 5–19 × 0.1–0.2 cm, glabrous on both surfaces, but long pilose at base of adaxial surface. Panicle open, 8–30 × 4–8 cm; branches solitary, naked at lower part, glabrous in axils. Spikelets yellowish green or gray-green, narrowly oblong, 5–20 × 2–2.5 mm, 8–40-flowered, pedicels without glands. Glumes chartaceous, deltoid-oblong, easily falling off when mature, lower glume 1-veined, ca. 1 mm, upper glume 1–3-veined, ca. 1.3 mm. Lemmas broadly ovate, lateral veins nearly parallel, lower lemma ca. 2 mm. Palea chartaceous, oblanceolate, persistent or tardily deciduous, strongly 2-keeled, along keels ciliolate. Anthers ca. 0.2 mm. Caryopsis elliptical, terete to laterally flattened, 0.8–1 mm. Fl. and fr. Sep–Oct.

Roadsides, fields. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hubei, Jiangsu, Taiwan, Yunnan, Zhejiang [Japan; SE Asia, Australia].


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