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Christianella surinamensis. a. Flowering branch. b. Node enlarged to show stipules and gland on petiole. c. Edge of abaxial surface of lamina, to show marginal glands. d. Portion of inflorescence. e. Flower bud with bracteoles and bract. f. Flower, posterior petal uppermost. g. Posterior petal, abaxial view. h. Androecium laid out, abaxial view, stamen opposite posterior petal third from left. i. Gynoecium with anterior style in center. j. Apex of style. k. Samara, abaxial view (above) and adaxial view (below). l. Single hair from samara. Scale bar equivalents: a, 4 cm; b, 1 cm; c, 4 mm; d, 2 cm; e, 4 mm; f, 8 mm; g, 4 mm; h, i, 2.7 mm; j, 0.8 mm; k, 2 cm; l, 2 mm. Based on: a–c, Maguire et al. 56605, MICH; d, e, Stoffers et al. 273, MICH; f–j, Plowman 13721, MICH; k, l, Silva 1248, MICH. Drawn by Karin Douthit. First published in Novon 16: 192. 2006; reproduced with permission of the author.