a. Branch with flowers and fruits. b. Base of lamina, abaxial view. c. Flower bud subtended by a bract and two bracteoles. d. Calyx from below, showing glands on three sepals. e. Flower, with two posterior petals uppermost. f. Androecium laid out, adaxial view, three anthers removed. g. Stamen, adaxial view. h. Gynoecium, the carpel lacking a style in foreground. i. Fruit with two samaras developed. Scale bar equivalents:
a, 4 cm; b, 8 mm; c, 1.3 cm; d, 5 mm; e, 1.3 cm; f, 8 mm; g, h, 4 mm; i, 1.3 cm. Based on Davis 99-23, A. Drawn by Karin Douthit. Property of C. C. Davis, reproduced with permission.