Angelim-amargoso | Viveiro Ipê - Andira Anthelmia - very attractive to bats! Recent molecular phylogenetic evidence has placed it in a unique clade named the Andira clade. Plants of the genus are used in traditional medicine in Brazil to treat fever and as purgatives and vermifuges. The treatments are toxic in high doses, however. Chemical compounds isolated from the genus include isoflavones, flavanols, glycosides, pterocarpans, chromone, and ursolic acid.