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Molecular Systematics of Clerodendrum (Lamiaceae): ITS Sequences and Total Evidence

Dorothy A. Steane, Robert W. Scotland, David J. Mabberley and R. G. Olmstead
American Journal of Botany
Vol. 86, No. 1 (Jan., 1999), pp. 98-107
Stable URL: http://www.jstor.org/stable/2656958
Page Count: 10
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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.
Molecular Systematics of Clerodendrum (Lamiaceae): ITS Sequences and Total Evidence
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Abstract

Thirty-three species of Clerodendrum s.l. and five outgroup genera were included in a sequence analysis of internal transcribed spacers of the nuclear ribosomal DNA. The results of the cladistic analysis were compared to and combined with cpDNA restriction site data from a previous study. All molecular data identified four major clades within Clerodendrum s.l. and showed the genus to be polyphyletic. Clerodendrum s.s., minus Konocalyx and Cyclonema, is monophyletic and the genus should be restricted to this group. Cyclonema and Konocalyx form a clade distinct from Clerodendrum s.s., which has been recognized as Rotheca Raf.

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