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

4. Orinus anomala Keng ex P. C. Keng & L. Liu, Acta Bot. Sin. 9: 68. 1960.

鸡爪草 ji zhua cao

Culms loosely tufted, erect, 35–50 cm tall, puberulous below nodes. Leaf sheaths glabrous or pilose at the mouth; leaf blades stiff, erect, involute, 7–12 × 0.2–0.35 cm, glabrous or adaxial surface scabrid or loosely pilose at base, apex long acuminate; ligule erose, ca. 0.5 mm. Panicle ca. 10 cm, linear; racemes solitary or rarely paired, erect, 3.5–4 cm, with 7–9 spikelets. Spikelets yellowish or purplish green, 5–6 mm, florets 1–2, rachilla minutely puberulous, internodes ca. 1.5 mm; glumes glabrous, scabrid along upper keel, acuminate; lower glume 3–3.5 mm; upper glume 4–4.5 mm; lemmas oblong-lanceolate, lower 4.5–5 mm, margins and keel shortly and inconspicuously pilose in lower 1/3, apex acute; palea scabrid on upper keels, apex emarginate. Anthers yellow, ca. 2 mm. Fl. Aug.

* Mountain slopes. Qinghai, Sichuan.


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