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Pterandra. a–e, P. andersonii. a. Terminal portion of shoot with four leaves. b. Terminal portion of shoot with two inflorescences. c. Petal, abaxial view. d. Distal portions of stamens, adaxial view (left) and lateral view (right). e. Coccus, lateral view. f–i, P. colombiana. f. Terminal portion of shoot with infructescence. g. Leaf, adaxial view. h. Base of leaf with stipules (basally connate but distally distinct), adaxial view. i. Petal, abaxial view. j–m, P. hirsuta. j. Leaf, adaxial view. k. Enlargement of abaxial leaf surface showing pubescence composed of basifixed hairs. l. Base of leaf with connate stipules, adaxial view. m. Petal, abaxial view. n–p, P. mcphersonii. n. Terminal portion of shoot with one leaf and old inflorescence (only one fascicle remaining). o. Fascicle of flowers, borne on a short projection. p. Petal, abaxial view. Scale bar equivalents: a, b, f, g, j, n, 4 cm; c, e, i, m, p, 4 mm; d, 2.7 mm; h, l, 1.3 cm; k, 2 mm; o, 8 mm.—Based on: a–d, Lisbôa 2507, NY; e, Pinheiro 12, MICH; f–i, Callejas et al. 4656, MICH; j–l, Moraes M. & Takaná G. 1857, MICH; m, Anderson 12298, MICH; n–p, McPherson 11745, MO. Drawn by Karin Douthit. First published in Contr. Univ. Michigan Herb. 21: 13. 1997; reproduced with permission of the author.
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Keys: Central America (flowers, fruits)