Peixotoa spinensis, P. leptoclada, and P. barnebyi. a–d, P. spinensis. a. Flowering branch and stem leaf. b. Base of a distal umbel. c. Flower, posterior petal uppermost. d. Staminode glands, posterior-lateral (left) and anterior (right). e–h, P. leptoclada. e. Flowering branch and stem leaf. f. Base of a distal umbel. g. Flower, posterior petal uppermost. h. Staminode glands, posterior-lateral (left) and anterior (right). i–l, P. barnebyi. i. Flowering branch and stem leaf. j. Base of a distal umbel. k. Flower, posterior petal uppermost. l. Staminode glands, posterior-lateral (left) and anterior (right). Scale bar equivalents: a, 4 cm; b, 8 mm; c, 2 cm; d, 2.7 mm; e, 4 cm; f, 8 mm; g, 2 cm; h, 2.7 mm; i, 4 cm; j, 8 mm; k, 2 cm; l, 2.7 mm. Based on: a–d, Anderson 8730, MICH; e–h, Pohl 2946, NY; i–l, Anderson 8623, MICH. Drawn by Karin Douthit. First published by C. Anderson in Contr. Univ. Michigan Herb. 15: 85. 1982.
all drawings
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