阿尔泰野豌豆 a er tai ye wan dou

Ervum cracca (Linnaeus) Trautvetter var. lilacinum (Lede­bour) Trautvetter; Vicia cracca Linnaeus f. lilacina (Ledebour) Krylov; V. cracca var. lilacina (Ledebour) Krylov.

Herbs perennial, 50-100 cm tall. Stem erect, white pu­berulent. Leaves paripinnate, 13-14 cm; stipules semihastate, bifid; leaflets 6- or 7-paired, oblong-ovate, 25-45 × 5-8 mm, apex obtuse or acuminate, mucronate; lateral veins not obvious; tendril 2- or 3-branched. Raceme ca. 15 cm, slightly longer than leaf, sparsely ca. 15-flowered. Calyx campanulate, hairy out­side. Corolla blue-purple; standard violin-shaped, 11-12 mm, subequaling wings and longer than keel, limb (distal part) of standard subequaling claw (proximal part). Ovary fusiform, gla­brescent; ovules ca. 8. Legume not seen. Fl. Jun-Sep.

Xinjiang [Russia (Siberia)].

This taxon is perhaps not distinct from the very variable and wide­spread Vicia cracca.