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H.G.A. Engler, Pflanzenr., vol. 131 [Heft 10], (Tropaeolaceae): p. 18, fig. 7 (1902) [22]

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University of Toronto Library, Canada

H.G.A. Engler, Pflanzenr., vol. 131 [Heft 10], (Tropaeolaceae): p. 18, fig. 7 (1902)