a. Flowering branch, with enlargement of abaxial leaf surface to show gland. b. Base of detached leaf, adaxial view. c. Node with interpetiolar stipules. d. Decussate branch of inflorescence. e. Flower, posterior petal uppermost. f. Abaxial view of posterior petal (left) and adaxial view of lateral petal (right). g. Stamens, abaxial view (left) and adaxial view (right). h. Gynoecium, view from anterior sepal (left) and oblique-posterior view (right). i. Fruit from below (left, with anterior sepal uppermost) and from above (right). Scale bar equivalents:
a, 3 cm (3 mm); b, 6 mm; c, 4.2 mm; d, 1 cm; e, 6 mm; f, 3.8 mm; g, h, 2 mm; i, 1.5 cm. Based on: a–c, Hassler 3461, MICH; d–h, Hassler 12459, MICH; i, Anderson 11791, MICH. Drawn by Karin Douthit. © University of Michigan Herbarium.