Mexican Holdback

"Erythrostemon mexicanus", formerly "Caesalpinia mexicana", is a species of plant in the genus "Erythrostemon", within the pea family, Fabaceae. 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.