[Wikipedia] South America Native, Medicinal Uses, Seeds Poison: Erythrostemon gilliesii is a shrub in the legume family. It is commonly known as bird of paradise, but it is not related to the bird of paradise genus Strelitzia. It is a striking ornamental plant native to South America, mainly Argentina and Uruguay. It is naturalized in Texas, and fairly common in the rest of the southwestern United States, where it is known as bird of paradise bush, desert bird of paradise, yellow bird of paradise, and barba de chivo. Medicine men of peoples indigenous to the Amazon Rainforest used this plant and the similar Caesalpinia pulcherrima, which they called ayoowiri, for curing fever, sores, and cough. Poisoning may occur with the seeds of this plant. (link added by Mary Ann Machi)