FIGURE 2. Prosopanche panguanensis. A in Prosopanche panguanensis (Aristolochiaceae), a new species from central Peru

FIGURE 2. Prosopanche panguanensis. A. Group of flowers, one in anthesis. B–C. Single flowers in their first-day anthesis, top and lateral view; note the valvate anthesis and tepals fused below two thirds of the synandrium. D. Flower, at second day of anthesis with the tepals manually opened and the pollen released. Photographs by Carlos Martel.