16. Vicia chinensis Franchet, Pl. Delavay. 177. 1890.
华野豌豆 hua ye wan dou
Lathyrus hupehensis (Pampanini) E. Peter; L. sargentianus Craib; Orobus hupehensis (Pampanini) Stankevicz; Vicia hupehensis Pampanini.
Herbs perennial, 150-200 cm tall. Stem branched from base, slender, sparsely pilose or glabrescent. Leaves subsessile, paripinnate, 8-16 cm; stipules semihastate, bifid, margin entire or toothed; leaflets 4-7-paired, markedly discolorous, abaxially pale green, adaxially green, narrowly lanceolate to lanceolate-ovate, 10-45 × 7-15 mm, leathery, both surfaces sparsely villous or glabrescent, apex obtuse or retuse, mucronate; tendril 2- or 3-branched. Raceme 6-17 cm, subequaling or longer than leaf, 5-25-flowered, puberulent or glabrous; bracts absent. Calyx subcampanulate, shortly and unequally toothed. Corolla blue-purple to purple-red, red, yellow, or pale yellow, 10-13 mm; standard slightly longer than keel. Ovary stalk ca. 4 mm; ovules 3-6. Legume fusiform, 28-37 × 8-9 mm, glabrous. Seeds 2 or 3, dark brown, oblate, ca. 5 mm in diam. Fl. Jun-Aug, fr. Aug-Sep.
● Thickets, scrub, valleys; 600-3300 m. Hubei, Hunan, Shaanxi, Sichuan, Xizang, Yunnan.
Lathyrus sargentianus and Vicia hupehensis are here treated as synonyms of V. chinensis. They were treated as synonyms of L. dielsianus in Fl. Xizang. (2: 765-766. 1985), where the plant described and illustrated is in fact V. chinensis.