TYPE: Costa Rica. [Alajuela: San Ramón]. Arbres des pasturages, San Pedro de San Ramón, alt. 1075 m, fleurs jaunes, IX. 1921, A.M. Brenes 126 (holotype, B, destroyed; lectotype designated by Barringer (1986); lectotype, CR; isolectotype, AMES; drawing of type by C.A. Luer).