Medicago orbicularis (L.) Bartal., 1776
Common names: Button clover, Button medick, Round-fruited medick [En], Luzerne orbiculaire [Fr], Rupsklaver [Nl], Scheibenklee [De], Mielga de caracolillo [Es], Erba medica orbicolare [It], Teknecik, Çevrince [Tu]
Mesudiye, MUĞLA ● Turkey
Description: Annual, stem 10-45 cm, glabrous to subglabrous. Leaflets 7-18 mm long, obovate to cuneate, mostly retuse, dentate; stipules laciniate. Inflorescence a 1-5-flowered peduncled raceme, peduncle longer than the petiole. Calyx c. 3.5 mm long, teeth almost equal to the tube. Corolla about twice the calyx, yellow. Fruit discoid, with 3-7 coils, 4-5 mm broad, glabrous.
Biology: Flowering in March-April. It forms a symbiotic relationship with the bacterium Sinorhizobium medicae, which is capable of nitrogen fixation.
Habitat: Close to cultivated field, olive groves.
Distribution: It is found throughout the Mediterranean basin, from Morocco to Turkey, up to Pakistan and Russia (Caucasus).
Flora of Pakistan
Wikipedia, Medicago orbicularis