Calvary clover

Medicago intertexta
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Rosids
Order:	Fabales
Family:	Fabaceae
Tribe:	Trifolieae
Genus:	Medicago
Species:	M. intertexta
Binomial name
Medicago intertexta (L.) Miller

Medicago intertexta, the hedgehog medick,Calvary clover, or Calvary medick, is a flowering plant of the family Fabaceae. It is found primarily in the western Mediterranean basin. It forms a symbiotic relationship with the bacterium Sinorhizobium medicae, which is capable of nitrogen fixation.

A form with red-blotched leaves was formerly much grown as a garden plant.

seeds

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Wikipedia