Caesalpinia mexicana

Caesalpinia mexicana

Caesalpinia mexicana A. Gray.
Engl.: Mexican Bird of Paradise, Mexican Holdback, Mexican Caesalpinia.
Bot. syn.: Poinciana mexicana (A. Gray) Rose, Poincianella mexicana (A. Gray) Britton & Rose.

I have no articles for this botanical term, but there might be some for the next level down (if found).