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Lathyrus odoratus

Description from Flora of China

Annual herbs, 50-200 cm tall. Stem climbing, much branched, somewhat hairy, winged. Leaves with branched ten­dril at apex; rachis winged; stipules semisagittate; leaflets 1-paired, ovate-oblong or elliptic, 20-60 × 7-30 mm, with pin­nate veins, rarely subparallel veins, margin entire. Raceme longer than leaf, 1-3(or 4)-flowered. Calyx campanulate, equally toothed and longer than tube. Corolla usually purple, or other colors, 20-30 mm. Ovary linear; style twisted. Legume brown-yellow, linear, 5-7 cm, pubescent. Seeds smooth. Fl. and fr. Jun-Sep.

Widely cultivated in China and worldwide as an ornamental and cut flower [native to Italy (Sicily)].


 

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