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Heteropterys. a–e, H. actinoctenia. a. Fruiting branch. b. Infructescence. c. Old flower after fall of samaras, with pedicel and part of peduncle. d. Distal portion of style. e. Base of samara. f–i, H. marleneae. f. Fruiting branch. g. Pseudoraceme with two old flowers. h. Distal portion of style. i. Immature samara. Scale bar equivalents: a, 4 cm; b, 2 cm; c, 8 mm; d, 0.8 mm; e, 1 cm; f, 4 cm; g, 8 mm; h, 0.8 mm; i, 2 cm.—Based on: a–e, Gentry 22302, MICH; f–i, Albuquerque et al. 839, MICH. Drawn by Karin Douthit. First published in Contr. Univ. Michigan Herb. 15: 117. 1982; reproduced with permission of the author.
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