Cesalpinia brasiliensis.

Botanical name: 
Peltophorum linnaei

CESALPINIA BRASILIENSIS, L. Brazil Wood. Cultivated in Carolina, Florida and Bahama. Equivalent of Logwood for dyeing and perhaps for medical use. The blossoms are menagogue.

Medical Flora, or Manual of the Medical Botany of the United States of North America, Vol. 2, 1830, was written by C. S. Rafinesque.