Echinopterys. a–m, E. eglandulosa. a. Flowering branch. b. Base of petiole, adaxial view, to show stipules. c. Detached leaf. d. Flower bud. e. Flower, posterior petal at upper right. f. Posterior petal, abaxial view. g. Posterior-lateral petal, abaxial view. h. Anterior-lateral petal, abaxial view. i. Stamens, abaxial view (left) and adaxial view (right). j. Gynoecium. k. Cross-section of ovary. l. Coherent apices of styles. m. Mericarp, abaxial view. n, E. setosa. Mature fruit, one mericarp removed, the other two mericarps separating from torus. Scale bar equivalents: a, 4 cm; b, 2 mm; c, 4 cm; d, 6.7 mm; e–h, 8 mm; i, 2 mm; j, k, 2.7 mm; l, 1 mm; m, n, 4 mm. Based on: a, b, d, Feddema 2370, MICH; c, e–m, McVaugh 25850, MICH; n, Muller 3281, MICH. Drawn by Karin Douthit. © University of Michigan Herbarium.
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