TYPE: Costa Rica. Alajuela: Arbres des haies, paturages et lisieres des bois, San Pedro de San Ramón, alt. 1050-1200 m, IX. 1921. Fleurs jaunes, A. M. Brenes 137 (holotype, B, destroyed; illustration of type, AMES; neotype designated by Barringer (1986), AMES).