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FOC | Family List | FOC Vol. 10 | Fabaceae | Vicia

9. Vicia amoena Fischer ex Seringe in Candolle, Prodr. 2: 355. 1825.

山野豌豆 shan ye wan dou

Ervum amoenum (Fischer ex Seringe) Trautvetter; Vicia amoena f. albiflora P. Y. Fu & Y. A. Chen; V. amoena var. angusta Freyn; V. amoena var. lanata Franchet & Savatier; V. amoena var. macrophylla Litvinov ex B. Fedtschenko; V. amoena var. oblongifolia Regel; V. amoena subsp. sericea (Kitagawa) Kamelin & Gubanov; V. amoena var. sericea Kitagawa.

Herbs perennial, 30-100(-180) cm tall, pilose, rarely densely white sericeous. Stem much branched, slender. Leaves subsessile, paripinnate, 5-12 cm; stipules semihastate, 8-20 mm, margin 3- or 4-toothed; leaflets 4-7-paired, elliptic to ovate-lanceolate, rarely oblong or lanceolate, 13-40 × 5-18 mm, adaxially appressed villous, apex rounded and retuse; lat­eral veins obvious; tendril 2- or 3-branched. Raceme usually longer than leaf, densely 10-20(-30)-flowered. Calyx obliquely campanulate, unequally toothed. Corolla blue, blue-purple, red-purple, or white; standard obovate, 10-16 × 5-6 mm, sub­equaling wings and longer than keel. Ovary glabrous; ovules ca. 6. Legume oblong, 18-28 × 4-6 mm, glabrous, both ends acu­minate. Seeds 1-6. Fl. Apr-Sep, fr. Jul-Oct. 2n = 12, 14, 24.

Forests, forest margins, woods, bush woods, scrub, dry slopes with Juniperus, grasslands, hills, hill slopes, riverbanks, sides of irriga­tion ditches, dry rocky banks, fixed sand dunes, fields, abandoned fields, wastelands, roadsides; near sea level to 4000 m. Anhui, Gansu, Hebei, Heilongjiang, Henan, Hubei, Jiangsu, Jilin, Liaoning, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shandong, Shanxi, Sichuan, Xizang, Yun­nan [Japan, Kazakhstan, Korea, Mongolia, Russia (Far East, Siberia)].


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