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An Electrophoretic Study of Capsicum (Solanaceae): The Purple Flowered Taxa

Michael J. McLeod, W. Hardy Eshbaugh and Sheldon I. Guttman
Bulletin of the Torrey Botanical Club
Vol. 106, No. 4 (Oct. - Dec., 1979), pp. 326-333
Published by: Torrey Botanical Society
DOI: 10.2307/2560359
Stable URL: http://www.jstor.org/stable/2560359
Page Count: 8
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An Electrophoretic Study of Capsicum (Solanaceae): The Purple Flowered Taxa
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Abstract

The systematic relationships of four purple flowered taxa of Capsicum were investigated utilizing horizontal starch gel electrophoresis. Twenty-five loci, coding for 15 proteins, were consistently resolved. Six loci were monomorphic in all four taxa. Capsicum tovari was found to be distinct electrophoretically and appears to be a valid species. It is suggested, based on electrophoretic data and other information already reported in the literature, that C. cardenasii and C. eximium should be recognized as a single biological species. Finally, it is suggested that domesticated C. pubescens be maintained as a separate species which belongs to the same species complex with C. eximium/C. cardenasii.

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