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

14. Lathyrus tuberosus Linnaeus, Sp. Pl. 2: 732. 1753.

玫红山黧豆 mei hong shan li dou

Herbs perennial; rhizomes bearing small tubers. Stem 30-120 cm tall, erect, glabrous, wingless. Leaves with simple or branched tendril at apex; stipules semisagittate, 5-20 × 1-4 mm; leaflets 1-paired, elliptic, oblong, or obovate, glabrous, with parallel veins. Raceme 2-7-flowered. Calyx campanulate, 6-7 mm; longest tooth shorter than tube. Corolla purple-red, 1.5-2 cm; standard subovate, with claw; wings obovate, auricu­late at base. Ovary linear; style twisted. Legume brown, linear, 2-4 cm, glabrous. Seeds brown, elliptic, tuberculate. Fl. Jun-Aug, fr. Aug-Sep.

Water meadows, riverbanks; 500-2400 m. Xinjiang [Kazakhstan, Russia; Europe].


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