Tetrapterys ramiflora. a. Leafy branch with fruits. b. Node showing interpetiolar stipules and glands on petioles. c. Base of leaf, abaxial view, showing marginal glands. d. Leafless flowering branch. e. Flower bud in umbel. f. Flower, posterior petal uppermost. g. Androecium laid flat, abaxial view, the stamen fifth from left opposite posterior petal. h. Gynoecium, the anterior style at right. i. Distal portion of style. j. Samaras, abaxial view (left) and adaxial view (right). Scale bar equivalents: a, 4 cm; b, c, 4 mm; d, 4 cm; e, 5 mm; f, 8 mm; g, h, 2.7 mm; i, 0.8 mm; j, 8 mm. Based on: a–c, Gottsberger 27-31083, MICH; d–i, Maguire et al. 49206, MICH; j, Nunes 171, MICH. Drawn by Karin Douthit. © University of Michigan Herbarium.
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