Synonyms
Poincianella pannosa (Brandegee) Britton & Rose
Caesalpinia arenosa Wiggins
Caesalpinia pannosa Brandegee
Caesalpinia mexicana var. californica A.Gray
Caesalpinia californica (A.Gray) Standl.
Poinciana californica (A.Gray) Rose
Poinciana pannosa (Brandegee) Rose
Poincianella californica (A.Gray) Britton & Rose