Banisteriopsis lyrata. a. Leafy shoot. b. Inflorescence on older, leafless stem. c. Node with stipules. d. Base of lamina, abaxial view, showing glands. e. Flower, posterior petal uppermost. f. Posterior petal. g. Androecium and gynoecium, lateral view, three stamens at left opposite posterior petal and adjacent posterior-lateral sepals. h. Stamen opposite anterior-lateral sepal. i. Gynoecium, anterior style in center. Scale bar equivalents: a, b, 4 cm; c, d, 8 mm; e, f, 5 mm; g, h, 2.7 mm; i, 4 mm. Based on Prance & Ramos 6960, MICH. Drawn by Karin Douthit. Modified from a drawing first published by W. R. Anderson in Mem. New York Bot. Gard. 32: 157. 1981; reproduced with the author's permission.
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Keys: Central America (flowers, fruits)