| Poincianella acapulcensis (Standl.) Britton & Rose, 1930 |
| Poincianella affinis (Hemsl.) Britton & Rose, 1930 |
| Poincianella arida Britton & Rose, 1930 |
| Poincianella caladenia (Standl.) Britton & Rose, 1930 |
| Poincianella californica (A. Gray) Britton & Rose, 1930 |
| Poincianella conzattii (Rose) Britton & Rose, 1930 |
| Poincianella eriostachys (Benth.) Britton & Rose, 1930 |
| Poincianella exostemma (DC.) Britton & Rose, 1930 |
| Poincianella gaumeri (Greenm.) Britton & Rose, 1930 |
| Poincianella glandulosa (Bertero ex DC.) Britton & Rose, 1930 |
| Poincianella guanensis Britton, 1930 |
| Poincianella laxa (Benth.) Britton & Rose, 1930 |
| Poincianella melanadenia (Rose) Britton & Rose, 1930 |
| Poincianella mexicana (A. Gray) Britton & Rose, 1930 |
| Poincianella nelsonii Britton & Rose, 1930 |
| Poincianella ortegae (Standl.) Britton & Rose, 1930 |
| Poincianella palmeri (S. Watson) Britton & Rose, 1930 |
| Poincianella pannosa (Brandegee) Britton & Rose, 1930 |
| Poincianella phyllanthoides (Standl.) Britton & Rose, 1930 |
| Poincianella placida (Brandegee) Britton & Rose, 1930 |