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Eragrostis cilianensis

Description from Flora of China

Poa cilianensis Allioni, Fl. Pedem. 2: 246. 1785; Eragro-stis major Host; E. megastachya (Koeler) Link; Poa mega-stachya Koeler.

Annual. Culms rather robust, 30–90 cm tall, 3–5 mm in diam., erect or geniculate at base, 3–5-noded, a line of glands below each node. Leaf sheaths with glands along veins, along summit with tubercle hairs; ligules a line of hairs, ca. 0.5 mm; leaf blades flat, glabrous, 6–20 × 0.2–0.6 cm, along midvein and margin glandular. Panicle oblong or pyramidal, 5–20 cm; branch usually solitary, ascending; branchlet glandular. Spikelets dark green, gray-green or yellowish white, compressed, oblong or ovate-oblong, 5–20 × 2–3 mm, 10–40-flowered. Glumes subequal or lower glume slightly shorter, 1-veined, upper glume 1–3-veined, along middle vein glandular. Lemmas chartaceous, broadly ovate-oblong, conspicuously 3-veined, along middle vein glandular, lower lemma 2.2–2.8 mm. Palea persistent; oblanceolate, apex rounded, 1.2–1.6 mm, along keels ciliolate. Stamens 3; anthers ca. 0.5 mm. Caryopsis oblong, ca. 0.5 mm in diam. Fl. and fr. Jul–Oct. 2n = 40.

Waste places, fields, cultivated ground. Anhui, Beijing, Fujian, Guizhou, Hainan, Heilongjiang, Henan, Hubei, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shandong, Taiwan, Xinjiang, Yunnan, Zhejiang [tropical and subtropical regions of the world].


 

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