Stigmaphyllon mackeeanum and S. mcphersonii. S. mackeeanum, a–g.
a. Flowering branch. b. Large leaf. c. Base of lamina and apex of petiole bearing a pair of glands. d. Sepal, abaxial view. e. Petal. Male flower: f, four stamens, and g, three styles (two partly united) arising from a rudimentary ovary embedded in a tuft of hairs. h. Samara. S. mcphersonii, i–q.
i. Flowering branch. j. Large leaf. k. Base of lamina with pair of glands and showing abaxial surface of lamina. l. Flower bud with peduncle and pedicel. m. Petal. n. Stamen from male flower. o. Stamen from hermaphroditic flower. p. Gynoecium. q. Samara. Scale bar equivalents:
a, b, 4 cm; c, d, 4 mm; e, 8 mm; f, g, 2.7 mm; h, 1.3 cm; i, j, 4 cm; k, 5.7 mm; l, m, 8 mm; n–p, 2.7 mm; q, 1.3 cm. Based on: a–g, MacKee 16116, P; h, MacKee 30059, MICH; i–n, McPherson 4229, MO; o–q, MacKee 20167, P. Drawn by Karin Douthit. First published by C. Anderson in Blumea 56: 89. 2011.