Caucanthus edulis. a. Flowering branch. b. Node with stipules. c. Detail of abaxial surface of lamina with gland. d. Flower bud. e. Flower from above. f. Stamens, from opposite a petal (left) and from opposite a sepal (right). g. Gynoecium. h. Cross-section of gynoecium. i. Fruit. j. Cross-section of fruit. k. Interpretive drawing of cross-section of fruit to show locules and bladders in base of wings. Scale bar equivalents: a, 4 cm; b, c, 4 mm; d, 8 mm; e, 6.7 mm; f, 4 mm; g, h, 2 mm; i, 2 cm; j, k, 1.3 cm. Based on: a–c, Wood 3179, K; d–h, Sawyer 825, K; i–k, Cope & Murtland 258, K. Drawn by Karin Douthit. © University of Michigan Herbarium.