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

18. Eragrostis hainanensis L. C. Chia, Fl. Hainan. 4: 539. 1977.

海南画眉草 hai nan hua mei cao

Perennial, usually stoloniferous. Culms rigid, erect or geniculate at base, 35–45 cm tall, ca. 2 mm in diam., 4–7-noded. Leaf sheaths glabrous and smooth, long pilose along summit; ligules scarious, ca. 0.2 mm, margin ciliate; leaf blades linear involute, stiff, 4–8 × ca. 0.3 cm, adaxial surface long pilose. Panicle open, 9–13 × 4–6 cm; branches solitary, lax, ascending, naked at base, usually glabrous in axils. Spikelets greenish or purplish green, oblong, 7–15 × ca. 2 mm, 10–44-flowered; rachilla persistent. Glumes membranous, ovate 1-veined, lower glume ca. 1 mm, upper glume ca. 1.2 mm. Lemmas broadly ovate, apex slightly obtuse, veins prominent, lower lemma ca. 1.6 mm. Palea slightly shorter than lemma, along 2 keels ciliolate, tardily deciduous. Stamens 3; anthers yellow, ca. 3 mm. Fl. and fr. autumn.

* Open grasslands. Hainan.


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