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Diacidia rufa. a. Flowering branch, with enlargement of abaxial surface of lamina to show dense vesture. b. Hairs from abaxial surface of lamina. c. Node with smaller stipules. d. Three-flowered cincinnus. e. Flower, posterior petal uppermost. f. Posterior petal, adaxial view. g. Anthers, abaxial view (above) and lateral view (below). h. Gynoecium, lateral view (above) and cross-section of ovary (below). i. Apex of style. j. Fruit surrounded by enlarged sepals, the two sepals in foreground cut away. k. Fruit, lateral view (above) and in cross-section (below). Scale bar equivalents: a, 4 cm (1.3 cm); b, 4 mm; c, 4 cm; d, 1.3 cm; e, f, 8 mm; g, 2 mm; h, 1.6 mm; i, 0.4 mm; j, 5.3 mm; k, 4 mm.—Based on: a, b, Stein et al. 1612, MICH; c–i, Maguire et al. 42461, MICH; j, k, Renner 2055, MICH. Drawn by Karin Douthit. © University of Michigan Herbarium.
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