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- ›Vascular Plants
- ›flowering plants
- ›Dicots
- ›Gentians, Dogbanes, Madders, and Allies
- ›madder family
- ›Rubioideae
- ›Spermacoceae
Mexican clovers
Richardia
Richardia (Mexican-clover) is a small genus of about 15 species of flowering plants in the family Rubiaceae, native to tropical to warm temperate regions of the Americas, with one species also native to Fiji in the Pacific Ocean. They are mostly annual plants, a few species being herbaceous perennial plants.
17 branches of this genus, most-observed first
largeflower Mexican clover
speciesRichardia grandiflora
Tropical Mexican Clover
speciesRichardia brasiliensis
Florida Pusley
speciesRichardia scabra
South American Mexican Clover
speciesRichardia humistrata
Prairie Mexican Clover
speciesRichardia tricocca
field madder
speciesRichardia stellaris
Richardia coldenioides
speciesRichardia coldenioides
Richardia lomensis
speciesRichardia lomensis
Richardia gandarae
speciesRichardia gandarae
Richardia pectidifolia
speciesRichardia pectidifolia
Richardia cruciata
speciesRichardia cruciata
Richardia ciliata
speciesRichardia ciliata
Richardia boliviensis
speciesRichardia boliviensis
Richardia arenicola
speciesRichardia arenicola
Richardia muricata
speciesRichardia muricata
Richardia pedicellata
speciesRichardia pedicellata
Richardia schumannii
speciesRichardia schumannii
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Richardia in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 52079.