Black Medic (Medicago lupulina): An introduced perennial belonging to the family fabaceae. In the Lafayette, IN. area black medic can sometimes act like an annual due to weather related stresses. Hairy, trailing stems arise from a tap root producing a prostrate plant. Leaves, arranged alternately on the stem, have three wedge-shaped leaflets. Flowers are small, yellow, globe-shaped clusters. Seeds are in coiled pods arranged in clusters. Usually found on dry sites with thin turf cover.
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