Common Name: black medicScientific Name: Medicago lupulina L.Family Name: Fabaceae (Leguminosae) - Pea or Bean FamilyIdentification NotesLife Cycleintroduced annual, reproducing by seed Stemsdecumbent and spreading, branched at base Leavesalternate, trifoliate, stipules present; leaflets variable - wedge-shaped to oval or obovate, toothed margins, center leaflet on stalked, lateral leaflet on petiole Flowersbright yellow; heads dense, globular, stalked