FIGURE 4 in Prosopanche panguanensis (Aristolochiaceae), a new species from central Peru

FIGURE 4. Prosopanche panguanensis (A and C) and P. costaricensis (B and D). A–B. View of flowers in anthesis of P. panguanensis, with one tepal manually opened, and P. costaricensis. C–D. View from below of staminodes of P. panguanensis and P. costaricensis. Photographs by Robin Fernandez, based on Fernandez & Flores 882 (MOL!) and Flores 01 (CR!).