| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Fabaceae | Erythrostemon caudatus | Tailed Nicker | Brush, disturbed areas in loose, sandy soils. | S. TX, NLE, and TAM. |  |
| Fabaceae | Erythrostemon gilliesii | Yellow Bird-of-Paradise | Disturbed areas. | Native of South America. | |
| Fabaceae | Erythrostemon mexicanus | Mexican Holdback | Tropical thickets, chaparral. | S. TX south to c. Mexico. |  |
| Fabaceae | Erythrostemon phyllanthoides | South Texas Rushpea, Dwarf Poinciana | Thornscrub over limestone or caliche. | S. TX and TAM. |  |