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Vascular Pattern in the Fruit of Trigonocapnos and Discocapnos (Papaveraceae-Fumarioideae)

Tatsundo Fukuhara
International Journal of Plant Sciences
Vol. 156, No. 4 (Jul., 1995), pp. 547-554
Stable URL: http://www.jstor.org/stable/2475074
Page Count: 8
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Vascular Pattern in the Fruit of Trigonocapnos and Discocapnos (Papaveraceae-Fumarioideae)
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Abstract

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.

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