| Bixa orellana | Annatto (Lipstick Plant, Urucum, Colorau, Achiote ) | Bixaceae | Bixa acuminata Bojer Bixa americana Poir. Bixa katangensis Delpierre Bixa odorata Ruiz & Pav. ex G.D | 3 | 3 |
| Cochlospermum palmatifidum | Arizona Yellowshow | Bixaceae | Homotypic Synonyms: Amoreuxia palmatifida DC. | 4 | 0 |