Medicago is a genus of flowering plants, commonly known as medick or burclover, in the legume family. It contains at least 87 species. The genus name is based on the Latin name for that plant, medica,

Ensifer meliloti are an aerobic, Gram-negative, and diazotrophic species of bacteria. E. meliloti are motile and possess a cluster of peritrichous flagella. E. meliloti fix atmospheric nitrogen into a