Erythrostemon mexicanus

About

Erythrostemon mexicanus, formerly Caesalpinia mexicana, is a species of plant in the genus Erythrostemon, within the pea family, Fabaceae. Common names include Mexican Bird of Paradise, Mexican holdback, Mexican caesalpinia, and tabachín del monte. It is native to the extreme lower Rio Grande Valley of Texas and to parts of Mexico: in the northeast and further south along the Gulf coast as well as the Pacific coast in Nayarit, Jalisco, Colima, and a small portion of Sinaloa.

Summary from Wikipedia