Psychopterys dipholiphylla. a. Flowering branch. b. Enlargement of abaxial surface of lamina. c. Node and base of leaf. d. Flower bud. e. Enlarged flower bud. f. Flower. g. Abaxial view of young anther (below) and twisted old anther (above). h. Gynoecium. i. Distal portion of style and stigma. j. Samara, adaxial view. k. Nut of samara with one lateral wing cut away, side view to show dorsal wing. l. Samara, abaxial view. m. Embryo. Scale bar equivalents: a, 4 cm; b, 2 mm; c, 8 mm; d, 5 mm; e, 3.3 mm; f, 5 mm; g, 2 mm; h, 5 mm; i, 1 mm, j–l, 2 cm; m, 8 mm. Based on: a–i, Anderson 13819, MICH; j, k, m, Hahn s.n., P; l, Hinton 7523, NY. Drawn by Karin Douthit. First published in Contr. Univ. Michigan Herb. 25: 119. 2007; reproduced with permission of the authors.
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