a. Habit. b. Node with whorl of leaves. c. Abaxial base of leaf with stalked gland and adjacent stipule. d. Flower bud. e. Flower, posterior petal uppermost. f. Androecium from back with three connate fertile stamens flanked by two staminodes. g. Androecium from front with one fertile stamen flanked by two staminodes. h. Fertile anther, abaxial view. i. Staminode, abaxial view. j. Stigma from side (above) and from front (below). k. Mericarp, side view. Scale bar equivalents:
a, 4 cm; b, 4 mm; c, 0.8 mm; d, 2 cm; e, 1 cm; f, g, 2.7 mm; h, i, 1.3 mm; j, 2 mm; k, 4 mm. Based on: a–j, Anderson 9102, MICH; k, Anderson 11580, MICH. Drawn by Karin Douthit. © University of Michigan Herbarium.