Acmanthera. a–f. A. parviflora.
a. Flowering branch. b. Stipular sheath in cross-section. c. Flower on inflorescence axis, posterior petal uppermost. d. Flower, posterior petal at upper left. e. Three stamens in situ, adaxial view with ovary removed (left), abaxial view behind sepal (right). f. Three stamens in lateral (left), adaxial (middle), and abaxial (right) views.
g, h. A. duckei.
g. Terminal node with stipular sheath and enlarged cross-section of sheath. h. Portion of inflorescence in young bud. Scale bar equivalents:
a, 4 cm; b, 1.3 cm; c, 8 mm; d, 4 mm; e, 2 mm; f, 1.3 mm; g, 4 cm; h, 8 mm.—Based on: a–f, Fróes 25200, IAN; g, h, Ducke s.n., MG 9034. Drawn by H. M. Fukuda. First published in Contr. Univ. Michigan Herb. 11: 44 & 48. 1975; modified and reproduced with permission of the author.