SYNTYPES: Costa Rica. [San José: Caraigres]: San Cristobal, im Jahre 1910, C. Wercklé 5 (B, destroyed); Costa Rica. [San José: Carrillo,] La Palma, 1750 m, blühend im April 1910, C. Wercklé s.n. (no. 686 in herb. O. Jimenez) [B, destroyed; isosyntype, selected by Pupulin (2010) as the lectotype, CR 34012]; tracings of Schlechter's drawings of a syntype (AMES).