caption, larger image
Tetrapterys maranhamensis. a. Flowering branch. b. Base of lamina, abaxial view to show glands in surface. c. Flower bud, with large glands on bracteoles. d. Flower, posterior petal uppermost. e. Petals, abaxial view, lateral petal (left) and posterior petal (right). f. Androecium laid flat, abaxial view, the shortest stamen opposite posterior petal. g. Gynoecium, the anterior style in middle. h. Distal portion of a posterior style. i. Samara, adaxial view. j. Nut of samara, abaxial view. Scale bar equivalents: a, 4 cm; b, 8 mm; c, 4 mm; d, 8 mm; e, 5.7 mm; f, g, 2 mm; h, 0.5 mm; i, 8 mm; j, 4 mm. Based on: a–h, Vilhena et al. 227, MICH; i, j, Steward et al. 254, MICH. Drawn by Karin Douthit. © Univesity of Michigan Herbarium.
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other drawings of Tetrapterys

all drawings: T. anomala, T. aristeguietae, T. buxifolia, T. cardiophylla, T. discolor,
T. fimbripetala, T. gracilis, T. heterophylla, T. inaequalis, T. maranhamensis, T. megalantha,
T. mexicana, T. microphylla, T. mucronata, T. natans, T. oleifolia, T. pusilla, T. ramiflora,
T. salicifolia, T. schiedeana, T. seleriana, T. styloptera, T. tinifolia, T. vacciniifolia