Diplopterys carvalhoi. a. Samara. b. Nut of samara from below, with ventral areole in center and carpophore below areole. c. Nut of samara from above, looking down dorsal wing. Scale bar equivlents: a, 2 cm; b, c, 1.3 cm. Based on Carvalho et al. 4118, MICH. Drawn by Karin Douthit. First published by W. R. Anderson & C. C. Davis in Harvard Pap. Bot. 11: 8. 2006.