FIGURE 4 in Two new species of Aristolochia series Thyrsicae (Aristolochiaceae) from southern Central America, with comments on morphologically similar species

FIGURE 4. Photographs of living flowers of the larger-flowered species of Aristolochia series Thyrsicae in Central America, for comparison. A. Aristolochia belizensis (unvouchered; from Belize, photo by Jan Meerman). B. Aristolochia chapmaniana (T. Croat 6733, MO; from Panama, photo by T. Croat). B1. Aristolochia chapmaniana (unvouchered; from Panama, courtesy of STRI research portal). C. Aristolochia longissima (R. Aguilar 15691, USJ; from Costa Rica, photo by R. Aguilar). D. Aristolochia ornithorhyncha (J.E. Jiménez & A. Aguilar 3500, USJ; from Costa Rica, photo by J.E. Jiménez). E. Aristolochia ovalifolia (N. Morales 25, UJAT; from Tabasco, Mexico, photo by Neil Morales). F. Aristolochia tonduzii (J.E. Jiménez et al. 3444, USJ; from Costa Rica, photo by J.E. Jiménez).