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Vascular Pattern in the Fruit of Trigonocapnos and Discocapnos (Papaveraceae-Fumarioideae)
International Journal of Plant Sciences
Vol. 156, No. 4 (Jul., 1995), pp. 547-554
Published by: The University of Chicago Press
Stable URL: http://www.jstor.org/stable/2475074
Page Count: 8
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The vascular pattern in the fruits of two Cape (South Africa) endemic genera of Fumarioideae (Papaveraceae), Trigonocapnos and Discocapnos, is depicted. Although the two genera differ much in fruit morphology, they uniquely share a marginal wing, pairwise fusion of the side branches of the dorsal and ventral bundles, and a funicular supply from the side branches. Trigonocapnos shows the further specialized conditions of termination of the dorsal and ventral bundles and of the formation of a pseudolocule by the folded wings. The results support a hypothesis of the monophyly of subtribe Discocapninae composed of these two genera.
International Journal of Plant Sciences © 1995 The University of Chicago Press