FIGURE 1. Prosopanche caatingicola. A. Habit, showing the 3–4 in A new species of Prosopanche (Hydnoraceae) from northeastern Brazil

FIGURE 1. Prosopanche caatingicola. A. Habit, showing the 3–4-anguled rhizomes, globose fruit and root of the host (arrow; scale bar = 1 cm). B. Flower (scale bar = 1 cm). C. Tip of the flower, with a tepal removed to show synandrium (scale bar = 0.4 cm). D–E. Flower, with two tepals removed, showing synandrium and bilobed staminodes (scale bar = 0.4 cm). F. Detail of bilobed staminodes (scale bar = 1.7 mm). Drawn by Klei Sousa, all from Machado et al. 652 except 1B from Machado et al. 653.