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Eragrostis perennans

Description from Flora of China

Eragrostis hekouensis B. S. Sun & S. Wang; E. lincan-gensis B. S. Sun & S. Wang; E. quinquenervis B. S. Sun & S. Wang; E. rubida B. S. Sun & S. Wang.

Perennial. Culms erect and rigid, 50–110 cm tall, 1–3 mm in diam., 2–4-noded. Leaf sheaths pilose along summit; ligule membranous or a line of hairs, 0.15–0.3 mm; leaf blades flat, stiff, 10–45 × 0.3–0.5(–0.7) cm, glabrous or adaxial surface scabrous, rarely villose on both surfaces. Panicle open, 20–35 × 3–6(–13) cm; branches usually solitary, pilose, hispidulous or glabrous in axils. Spikelets purplish yellow, 4–20 × 1.8–3 mm, 5–24-flowered, with pedicel 1–5 mm. Glumes broadly lanceolate, apex acuminate, 1-veined, lower glume 1.6–2 mm, upper glume 1.8–2.3 mm. Lemmas oblong-lanceolate, apex acute; lateral veins greenish and distinct; lowest lemma 2.2–2.5 mm. Palea persistent, ca. 2 mm, along 2 keels ciliate. Anthers ca. 1 mm. Caryopsis obovoid to ellipsoid, terete, somewhat striate, brown, 0.7–0.9 mm. Fl. and fr. summer and autumn.

Mountain slopes, roadsides. Fujian, Guangdong, Guangxi, Guizhou, Hainan, Yunnan, Zhejiang [SE Asia].


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