Gaudichaudiana arnottiana. a. Flowering branch. b. Base of pair of leaves, with enlarged hairs from adaxial surface (left) and abaxial surface (right). c. Bud of chasmogamous flower. d. Chasmogamous flower, posterior petal uppermost. e. Anthers, adaxial view (left) and abaxial view (right). f. Gynoecium. g. Samaras, abaxial view (left) and adaxial view (right). Scale bar equivalents: a, 4 cm; b, 8 mm (hairs 2.7 mm); c, 5 mm; d, 8 mm; e, 2 mm; f, 4 mm; g, 1.3 cm. Based on: a–f, Mexia 1697, CAS; g, Beechey s.n., K. Drawn by Karin Douthit. © University of Michigan Herbarium.
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