a. Large leaf, abaxial view. b. Detail of leaf base, showing short petiole and base of lamina, abaxial view, with a pair of basal glands and a pair of stipules partially hidden by the auricles. c. Detail of leaf base, showing short petiole and base of lamina, adaxial view, with a pair of spreading stipules. d. Portion of stem with clusters of axillary inflorescences, the leaves abscissed. e. Ternate sessile cyme. f. Flower. g. Posterior petal. h. Androecium laid out, abaxial view, the stamen second from right opposite posterior petal. i. Gynoecium, anterior style at left. Scale bar equivalents:
a, 4 cm; b, c, 1.3 cm; d, 4 cm; e, 1.3 cm; f, 8 mm; g, 5.7 mm; h, i, 2.7 mm. Based on: a–c, e, Amaral et al. 589, INPA; d, f–i, Coêlho & Damião INPA 53267, INPA. Drawn by Karin Douthit. First published in New York Bot. Gard. 108: 211. 2013; reproduced with permission of the author.