Bur medic (Medicago polymorpha) is an annual herb grown as a nitrogen-fixing green manure, with edible young leaves, flowers, and seed. Inputs Well drained soil1 Moist soil1 Full sun1 Outputs Human food1 Type Medicago spp. - Alfalfa Herb Annual Functions Nitrogen fixer1 Footnotes Medicago polymorpha | Plants for a Future ↩ ↩2 ↩3 ↩4 ↩5