Medicago medicaginoides
Medicago medicaginoides
Som yonca
Syn: Trigonella tenuis
Sparingly adpressed-hairy, often branched from base, stems erect or ascending-erect, 5-30 cm. Stipules semisagittate, entire or dentate. Leaflets glabrescent, oblong or obovate, denticulate, 5-12 x 3-8 mm. Peduncle 0,5-1,7 cm. Flowers 2, umbellate. Calyx campanulate, 4-5 mm; teeth linear-subulate, somewhat longer than tube. Corolla yellow, 4,5-6 mm. Legumes linear, compressed, erect, somewhat curved, adpressed-puberulent, reticulate-nerved, 1,5-3,5 x 0,15-0,2 cm, 10-14-seeded. Seeds rhomboid-cylindrical, 2,5 x 1 mm, tubercled. Fl. 5-7. Stony slopes, steppe, Pinus woods, 300-1500 m.
Balkans, Crimea, S. Russia, Caucasia. Ir.-Tur. element.