Costa Rica. Arbres des paturages á San Pedro de San Ramón, alt. 1075 m, Nov. 1921, A. M. Brenes 165, fleurs jaunes, lavees de rouge-violace (B, destroyed; lectotype designated by Barringer (1986), CR; isolectotypes, AMES, NY). Costa Rica. arbres des paturages, San Pedro de San Ramon, alt. l075 m, VII. 1921, A. M. Brenes 286, fleurs verdatres, teintees de violet (B, destroyed).