
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. ---- Richardia Kunth non L. is a synony...
Found on
http://en.wikipedia.org/wiki/Richardia

Richardia is a genus of South African marsh plants belonging to the family Aroidaceae. They bear handsome, arrow-shaped leaves, and flowers with large white or yellowish spathes.
Found on
http://www.probertencyclopaedia.com/browse/BR.HTM
No exact match found.