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

3. Kengyilia rigidula (Keng) J. L. Yang et al., Hereditas (Lund). 116: 27. 1992.

硬秆以礼草 ying gan yi li cao

Roegneria rigidula Keng, Acta Univ. Nankin. Sci. Nat. 1963(1):77. 1963; Kengyilia rigidula var. intermedia (Keng) S. L. Chen; K. rigidula var. trichocolea L. B. Cai; R. rigidula var. intermedia Keng.

Culms laxly tufted, erect or geniculate at base, (40–)50–75 cm tall, rigid, 3- or 4-noded, glabrous. Leaf sheath glabrous or retrorsely puberulent; leaf blade involute, 3–10(–25) × (0.1–) 0.2–0.4 cm, both surfaces puberulent, margin ciliate. Spike curved, 7.5–8 cm. Spikelets 10–15 mm, with 4–6 florets. Glumes ovate-lanceolate, 3- or 4-veined, glabrous but scabrous along midvein distally, apex acute; proximal glume 2–4 mm, sometimes 1- or 2-veined; distal glume 3–5 mm. Lemma oblong-lanceolate, 5-veined, laxly puberulent; first lemma 7–8 mm; awn 1–3 mm. Palea equaling or slightly longer than lemma, pubescent abaxially, ciliate along keels distally. Anthers yellow or nearly black. Fl. and fr. late summer. 2n = 42*.

* Dry mountain slopes; ca. 3300 m. Gansu, Qinghai, Xizang.


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