Lathyrus tuberosus
Lathyrus tuberosus
Koşkoz
Scrambling, green perennial. Stems not winged, 30-80 cm, arising from tuberous roots. Upper leaves strongly tendrillous; leaflets 1-paired, narrowly elliptic, flat; stipules lanceolate, semi-sagittate. Peduncles 3-9-flowered, much longer than the leaves. Calyx 5-7 mm; teeth unequal, the lowest tooth lanceolate and sub-equal to the tube. Corolla bright pink, 11-15 mm. Legume linear-oblong, 20-40 x 4-7 mm, glabrous. Seeds 3-6, obsoletely tuberculate. Fl. 6-7. Water meadows, grassy banks, fallow fields, 1000-2150m
Most of Europe , Caucasia, W. Iran, Siberia, C. Asia. Euro-Sib, element. The tuberous roots are edible and nutty-flavoured.