粗毛甘草 cu mao gan cao

Glycyrrhiza asperrima Linnaeus f.; G. laxiflora X. Y. Li & D. C. Feng; G. laxissima Vassilczenko; G. macrophylla X. Y. Li; G. nutantiflora X. Y. Li; G. prostata X. Y. Li & D. C. Feng; G. purpureiflora X. Y. Li.

Herbs, perennial. Roots and rhizomes slender. Stem erect or diffuse, 10-30 cm tall, sparsely pubescent and glandular hairy. Leaves 2.5-10 cm, (5 or)7- or 9-foliolate; stipules ovate-triangular, 4-6 × 2-4 mm; petiole sparsely pubescent and glan­dular hairy; leaflets gray-green, ovate, broadly ovate, obovate, or elliptic, 10-30 × 3-18 mm, abaxially sparsely pubescent and glandular hairy, adaxially glabrous, base cuneate, margin small spiny-hairy. Racemes much flowered; rachis longer than leaves, pilose, glandular hairy; bracts linear-lanceolate, 3-6 mm, mem­branous. Calyx cylindric, 7-12 mm, sparsely pubescent, 5-toothed; upper 2 teeth slightly joined. Corolla light purple or purple; standard oblong, 13-15 × 5-6.5 mm, base narrowed to claw, apex rounded; wings 1.2-1.4 cm; keel 1-1.1 cm. Ovary glabrescent. Legume usually falcate to curved into a ring, brown, moniliform, 1.5-2.5 cm, glabrous. Seeds 2-10, black-brown, orbicular. Fl. May-Jun, fr. Jul-Aug. 2n = 16*.

Margins of farms, riverbanks, steppes; 100-800 m. Gansu, Nei Mongol, Qinghai, Shaanxi, Xinjiang [Afghanistan, Kazakhstan, Kyr­gyzstan, Mongolia, Russia, Tajikistan, Turkmenistan, Uzbekistan; C and SW Asia, Europe (native only in Russia)].