caption, larger image
Dinemagonum gayanum. a. Flowering habit. b. Leaf, abaxial view. c. Node with minute interpetiolar stipules (many hairs removed), and detached hair. d. Flower bud. e. Enlarged apex of calyx gland. f. Calyx and glands from below, spread out. g. Flower, posterior petal uppermost. h. Lateral petal (left) and posterior petal (right), adaxial views. i. Androecium laid out, adaxial view, the shortest fertile stamen opposite posterior petal. j. Abaxial view of anther (left) and much-enlarged apex of staminode (right). k. Gynoecium. l. Apex of style. m. Intact fruit with persistent sepals in place. n. Samara with nut rugose on side. o. Samara with lateral winglets on nut. Scale bar equivalents: a, 4 cm; b, 1.3 cm; c, 2 mm; d, 4 mm; e, 2 mm; f, 4 mm; g, 8 mm; h, 5 mm; i, 2.7 mm; j, 1.3 mm, 0.4 mm; k, 2 mm; l, 0.6 mm; m–o, 5 mm. Based on: a–l, Simpson 83-10-24-1, MICH; m, n, Simpson 83-10-9-4a, MICH; no Simpson 83-10-23-4, MICH. Drawn by Karin Douthit. © University of Michigan Herbarium.
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