SYNTYPES: Costa Rica. [Alajuela]. Arbres des pasturages, près San Ramón, alt. 1025 m. Fleures jaunes à centre rouges, A.M. Brenes 179 (B, destroyed; lectotype designated by Barringer (1986) drawings of type, AMES; isolectotype, NY); [Alajuela: Alfaro Ruiz]. troncs humides, Palmira, alt. 1880 m, IV. 1921, A. M. Brenes 7 (B, destroyed).