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

7. Achnatherum chinense (Hitchcock) Tzvelev, Rast. Tsentr. Azii. 4: 40. 1968.

中华芨芨草 zhong hua ji ji cao

Oryzopsis chinensis Hitchcock, Proc. Biol. Soc. Washington 43: 92. 1930; Piptatherum parviflorum Roshevitz.

Perennial, usually densely tufted. Culms erect, 30–80 cm tall, ca. 1 mm in diam., 2–4-noded. Leaf sheaths glabrous or ciliolate along mouth and margins, shorter than internodes; leaf blades mainly basal, usually rolled, filiform, 10–30 cm, 1–2 mm, abaxial surface smooth or scabrid along veins, adaxial surface and margins scabrid; ligule 0.1–0.2 mm. Panicle open, ovate in outline, sometimes nodding, 12–15 cm; branches usually 2 per node, distant, slender, 5–7 cm, spikelets clustered toward apices. Spikelets 3.3–4.5 mm, green; glumes subequal, lanceolate, hyaline, 3–5-veined, lateral veins not extending to apex, apex acute or denticulate; callus obtuse, ca. 0.15 mm; lemma elliptic, 2–3 mm, leathery, dark brown at maturity, densely pubescent, margins overlapping at least toward apex, apex shortly 2-toothed; awn caducous, 0.4–0.8 cm, very weakly geniculate column slightly twisted. Anthers ca. 1.8 mm, minutely bearded at apex.

* Dry mountain slopes, grassy roadsides, forest fringes; 500–2400 m. Gansu, Hebei, Henan, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shanxi.


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