A tropical American plant, Richardia scabra (family Rubiaceae), with creeping stems and white or pink flowers, which is sometimes grown as forage and is naturalized in the south-eastern United States.
Origin
Late 19th century.
Definition of Mexican clover in US English:
Mexican clover
noun
A tropical American plant, Richardia scabra (family Rubiaceae), with creeping stems and white or pink flowers, which is sometimes grown as forage and is naturalized in the south-eastern United States.