Stigmaphyllon jobertii. a. Portion of inflorescence, the center umbel with one samara. b. Leaf. c. Gynoecium, anterior style in the center. d. Longitudinal section through nut of samara; note the spongy tissue surrounding the locule. Scale bar equivalents: a, 2 cm; b, 4 cm; c, 2.7 mm; d, 2 cm. Based on Jobert 1114, P. Drawn by Karin Douthit. First published by C. Anderson in Contr. Univ. Michigan Herb. 19: 427. 1993.