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

23. Eragrostis minor Host, Icon. Descr. Gram. Austriac. 4: 15. 1809.

小画眉草 xiao hua mei cao

Poa eragrostis Linnaeus, Sp. Pl. 1: 68. 1753; Eragrostis minor var. minima B. S. Sun & S. Wang; E. poaeoides P. Beauvois, nom illeg. superfl.

Annual. Culms slender, tufted, erect or geniculate at base, (5–)15–50(–80) cm tall, 1–2 mm in diam., 3–4-noded, below each node usually a line of glands. Leaf sheaths usually shorter than internodes, along summit and margin with long silky hairs, along veins glandular especially in middle vein or tuberulate hispidulous; ligules a line of hairs; leaf blades flat or involute, 3–15 × 0.2–0.4 cm, adaxial surface scabrous and pilose, abaxial surface glabrous, along middle vein and margins with glands in row. Panicle open, 6–15 × 3–6 cm; branch solitary, ascending or spreading. Spikelets green or dark green, oblong, 3–8 × 1.5–2 mm, 3–16-flowered, with glandular pedicels 3–6 mm. Glumes chartaceous, lanceolate, 1-veined, glandular along veins, lower glume ca. 1.6 mm, upper glume ca. 1.8 mm. Lemma ovate, apex obtuse, lateral veins nearly parallel, midrib glandular, lower lemma 1.5–2 mm. Palea subequal to its lemma, persistent, 2-keeled, along keels ciliolate or scabrous. Stamens 2 or 3; anthers 0.2–0.3 mm. Caryopsis red-brown, oblong or globose, ca. 0.5 mm in diam. Fl. and fr. Jul–Sep. 2n = 40.

Mountain slopes, grasslands, roadsides. Anhui, Beijing, Fujian, Guizhou, Heilongjiang, Henan, Hubei, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shandong, Taiwan, Xinjiang, Xizang, Yunnan, Zhejiang [tropical, subtropical, and temperate regions of the world].


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