Richardia

Life-forms

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Asterids
Cladus: Lamiids
Ordo: Gentianales

Familia: Rubiaceae
Subfamilia: Rubioideae
Tribus: Spermacoceae
Genus: Richardia
Species: R. arenicola – R. boliviensis – R. brasiliensis – R. ciliata – R. coldenioides – R. cruciata – R. gandarae – R. grandiflora – R. humistrata – R. lomensis – R. muricata – R. pedicellata – R. pilosa – R. procumbens – R. rosea – R. scabra – R. schumannii – R. stellaris – R. tricocca
Name

Richardia L., 1754

Type: Richardia scabra L.
References

Genera Plantarum ed. 5 1754

Richardia (Mexican-clover) is a genus of about fifteen species of flowering plants in the family Rubiaceae. They are native to tropical to warm, temperate regions of the Americas, with one species also native to Fiji. They are mostly annual plants, though a few species are herbaceous perennial plants.

Selected species

Richardia brasiliensis. Guyana and Brazil south to northern Argentina.
Richardia grandiflora. Brazil.
Richardia scabra. Southeastern United States south to Peru.
Richardia tricocco. Southern Louisiana and Texas south to central Mexico.

Richardia Kunth non L. is a synonym of the genus Zantedeschia in the family Araceae.

References

Germplasm Resources Information Network: Richardia