13. Vicia latibracteolata K. T. Fu, Fl. Tsinling. 1(3): 449. 1981.
宽苞野豌豆 kuan bao ye wan dou
Vicia latibracteolata var. acerosa K. T. Fu.
Herbs perennial, 60-120 cm tall. Stem erect, few branched, pilose. Leaves paripinnate, 9-11 cm; stipules semihastate, rhomboid to lanceolate, bifid, 5-12 mm; leaflets usually 9-paired, linear-lanceolate, ovate-lanceolate, or oblong, 12-27 × 7-11 mm, apex rounded or acuminate, mucronate; lateral veins 9-13-paired, joined at margin; tendril 2- or 3-branched. Raceme obviously shorter than leaf, 6-10 cm, densely 10-20-flowered; bracts present. Calyx subcampanulate, unequally toothed, pilose. Corolla purple, purple-red, or light purple with some pink; standard oblong, ca. 14 × 5 mm, subequaling wings and longer than keel. Ovary linear, ca. 5 mm, glabrous; ovules ca. 6. Legume narrowly oblong, 20-25 mm, apex beaked. Seeds 3-6. Fl. and fr. Jun-Aug.
● Hill slopes, grasslands, riverbanks; 900-2800 m. Gansu, Henan, Ningxia, Shaanxi.