A new species, Chloroleucon sempervivum Silverst. (Leguminosae, Mimosoideae), is described from the northern end of the Cauca Valley, in the department of Risaralda, in western Colombia, where it is known locally as parasiempre. It has a coiled fruit and resembles the Venezuelan species C. eurycyclum Barneby & J. W. Grimes, but differs in having fewer and broader leaflets and broader fruits.