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Jubelina wilburii. a. Flowering branch, with enlargement of abaxial base of lamina to show glands. b. Node to show minute epipetiolar stipules. c. Flower bud with pedicel subtended by bracteoles. d. Flower, posterior petal uppermost. e. Lateral petal, abaxial view. f. Posterior petal, abaxial view. g. Androecium laid out, abaxial view, the stamen fifth from left opposite posterior petal. h. Gynoecium, anterior style in center. i. Distal portion of a posterior-lateral style. j. Samara, abaxial view. k. Ventral areole of samara. l. Cross-section of nut and dorsal wings of samara. Scale bar equivalents: a, 4 cm; b, c, 4 mm; d, 8 mm; e, f, 4 mm; g, 2.7 mm; h, 2 mm; i, 1.3 mm; j, 2 cm; k, l, 8 mm. Based on: a, c–i, Dwyer & Gentry 9544, MICH; b, Lewis et al. 5281, MICH; j–l, Nevers & Charnley 5089, MICH. Drawn by Karin Douthit. © University of Michigan Herbarium.
Keys: Central America (flowers, fruits)