Mascagnia tomentosa. a. Leaf, abaxial view. b. Detail of lamina apex, adaxial view, showing the two glands that flank the tip. c. Hair from abaxial surface of lamina. d. Inflorescence. e–h. Bracteoles, illustrating the variation in shape and ornamentation. i. Posterior petal, abaxial view. j. Distal portion of style. k. Samara, abaxial view. Scale bar equivalents: a, 4 cm; b, 1 mm; c, 2 mm; d, 1.3 cm; e–h, 2 mm; i, 4 mm; j, 1.3 mm; k, 2.7 cm. Based on: a–c, Matuda 868, MICH; d–j, Ventura & López 3167, MICH; k, Chinchilla s.n., MICH. Drawn by Karin Douthit. First published by C. Anderson in Brittonia 53: 411. 2001; reproduced with the author's permission.