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

5. Achnatherum inaequiglume Keng, Fl. Tsinling. 1(1): 443. 1976.

异颖芨芨草 yi ying ji ji cao

Perennial, densely tufted. Culms erect or geniculately ascending, 30–65 cm tall, 0.8–1 mm in diam., 2–3-noded. Leaf sheaths shorter than internodes, glabrous or upper part often puberulous; leaf blades filiform, up to 20 cm, abaxial surface smooth; ligule 0.5–1 mm, truncate or toothed. Panicle contracted, oblong in outline, moderately dense, 7–13 cm; branches ascending, 0.5–3 cm, with spikelets to base; pedicels scaberulous-puberulous. Spikelets greenish or grayish; glumes lanceolate, unequal, lower glume 7–8 mm, upper glume 5–6 mm, membranous, 3-veined, scabrid especially along midvein, lower margins sometimes sparsely pilose, apex acuminate; callus obtuse, ca. 0.3 mm; lemma 3–4 mm, densely pubescent, a conspicuous brush of longer 3–4 mm hairs below apex, apex shortly 2-toothed; awn 1.5–2 cm, lower 1/4–1/3 curved and obscurely twisted, scabrid. Anthers 2–2.5 mm, glabrous at apex. Fl. and fr. Jul–Sep.

* Dry mountain slopes; 900–2200 m. Gansu, Sichuan.


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