Mascagnia arenicola, M. australis, M. boliviana, M. riparia, M. tucuruensis, and M. velutina. a–d, M. riparia. a. Leaf. b. Detail of abaxial surface of lamina. c. Detail of inflorescence, showing an old flower with pedicel and peduncle. d. Peduncle with bracteoles. e–h, M. tucuruensis e. Leaf. f. Detail of abaxial surface of lamina. g. Detail of inflorescence, showing an old flower with pedicel and peduncle. h. Distal portion of peduncle with bracteoles. i–l, M. velutina. i. Leaf. j. Detail of abaxial surface of lamina. k. Detail of inflorescence, showing a flower bud with pedicel and peduncle. l. Distal portion of inflorescence with bracteoles. m–p, M. australis. m. Leaf. n. Detail of abaxial surface of lamina. o. Distal portion of inflorescence, showing an expanding flower with pedicel and peduncle. p. Distal portion of peduncle with bracteoles. q–t, M. arenicola. q. Leaf. r. Detail of abaxial surface of lamina. s. Detail of inflorescence, showing an old flower with pedicel and peduncle. t. Distal portion of peduncle with eglandular bracteoles. u–x, M. boliviana. u. Leaf. v. Detail of abaxial surface of lamina. w. Detail of inflorescence, showing an old flower with pedicel and peduncle. x. Peduncle with basal eglandular bracteoles and bract. Scale bar equivalents: a, e, i, m, q, u, 4 cm; b, d, f, h, j, l, n, p, r, t, v, x, 4 mm; c, g, k, o, s, w, 8 mm. Based on: a–d, Prance et al. 5289, MICH; e–h, Anderson 13749, MICH; i–l, Leoni 1970, MICH; m, Schulz 18387, MICH; n–p, Schulz 14299, MICH; q–t, Gillespie 1086, MICH; u–x, Saldías P. 582, MICH. Drawn by Karin Douthit. First published by C. Anderson in Brittonia 53: 497. 2001.
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