栏目

肃草Roegneria stricta Keng

肃草Roegneria stricta Keng

科名:禾本科 Gramineae

属名:鹅观草属 Roegneria

《中国植物志》第9(3)卷084页
  38. 肃草(禾本科图说)
  Roegneria stricta Keng,耿以礼及陈守良, 南京大学学报 (生物学) 1: 68. 1963;禾本科图说396.图325. 1959. nom. nud.中国高等植物图鉴5: 80. 1976.

《Flora of China》 Vol. 22 (2006)
Elymus strictus  (Keng) S. L. Chen
肃草   su cao
Basionym: Roegneria stricta Keng, Acta Univ. Nankin. Sci. Nat. 1963(1): 68. 1963.
Culms erect or slightly geniculate at base, 50–100 cm tall, glabrous throughout. Leaf sheath glabrous; leaf blade glaucous or farinose, involute, (3.5–)8–16 × (0.1–)0.4–0.8 cm, stiff, abaxial surface glabrous, adaxial surface pubescent. Spike erect, (3.5–)10–18(–26) cm. Spikelets 1 per node, glaucous, or purplish at maturity, (8–)15–20 mm, with (3–)5–8(–14) florets. Glumes: proximal one 5–8(–11) mm, distal one 6–13 mm, (3–) 5–7-veined, apex acute or with mucro 1–5 mm; veins usually robust, scabrous. Lemma smooth and glabrous abaxially, or only so at middle and then otherwise ± puberulent, or hirsute along veins and on callus; first lemma (7–)9–10 mm; awn suberect, slightly recurved, (7–)14–22 mm, scabrous. Palea equaling lemma, ciliolate along keels distally, between keels puberulent distally or glabrous, apex emarginate or truncate. Anthers usually yellow, 1–2 mm. Fl. and fr. Jul–Oct. 2n = 28*.
* Mountain slopes, valleys, meadows, roadsides; 1300–4000 m. Gansu, Guizhou, Henan, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shanxi, Sichuan, Xizang, Yunnan.
L?ve (Feddes Repert. 95: 458. 1984) did not previously validly publish the combination Elymus strictus; see the note following the genus description above. Because of this, Chen and Zhu (Novon 12: 428. 2002) did not previously validly publish E. strictus var. crassus (Saint Louis Code, Art. 43.1).

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