Figure A. Gasteranthus osaensis (Gesneriaceae). - Type; Collection: Allen 5533, Costa Rica, Puntarenas; face and side views of flowers. - 16 Apr 1997.
Figure B. Gasteranthus anomalus (Gesneriaceae). Collection: Ramirez & Lopez 324, Colombia, Antioquia; face and side views of flowers . - 16 Apr 1997.
Figure C. Gasteranthus recurvatus (Gesneriaceae). Collection: Devia 594, Colombia, Valle del Cauca; face and side views of flowers. - 16 Apr 1997.
Figure D. Gasteranthus corallinus (Gesneriaceae). Collection: Jaramillo & Coello 2722, Clark et al. 2414, Ecuador, Bolivar; face and side views of flowers. - 16 Apr 1997.