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african violet

Edinburgh Journal of Botany (1)

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A cladistic analysis of ndhF sequences from representative species of Saintpaulia and Streptocarpus subgenera Streptocarpus and Streptocarpella (Gesneriaceae)
J. F. Smith, M. E. Kresge, M. Möller, Q. C. B. Cronk
Journal:

Edinburgh Journal of Botany / Volume 55 / Issue 1 / March 1998

Published online by Cambridge University Press:

01 March 1998, pp. 1-11

Print publication:

March 1998
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Two African genera of the Gesneriaceae, Saintpaulia and Streptocarpus, are similar in many respects. Both genera have blue to purple flowers, pollen of similar shape and exine sculpting, embryos with one-celled, uninucleate chalazal haustoria, shared vegetative structures among some species, and are among the few genera in the Gesneriaceae which include species with chromosome counts of n = 15. The similarity of these features has indicated that the two genera are likely to be closely related.