Medicago

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Related to Burclover: chickweed, oxalis

Medicago

plant genus of the legume family Fabaceae; contains coumestans, the phytoestrogens, in certain circumstances, and cause hyperestrogenism; can also cause photosensitivity possibly through steroidal saponins; causative plants include M. littoralis, M. minima (burr medic), M. polymorpha (M. denticulata, M. hispida, burr medic or trefoil), M. sativa (lucerne, alfalfa), also a common cause of primary frothy bloat, M. trombiculata (barrel clover), M. truncatula (barrel medic).