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Gerrardina
''Gerrardina'' is a genus of two species of trees, shrubs, and scrambling shrubs found in southeastern Africa. Until recently, the genus was placed in the polyphyletic family Flacourtiaceae, but it was abnormal there due to its apical placentation, small embryos, and mucilaginous foliar epidermis. Analyses of DNA data indicated that the genus did not fit in any known plant family and not clearly in any then-recognized order, and a new family, Gerrardinaceae, was thus created for it.〔Alford, M. H. 2006. Gerrardinaceae: a new family of African flowering plants unresolved among Brassicales, Huerteales, Malvales, and Sapindales. ''Taxon'' 55: 959-964.〕 Later analyses of additional DNA data〔Worberg, A., M. H. Alford, D. Quandt, and T. Borsch. 2009. Huerteales sister to Brassicales plus Malvales, and newly circumscribed to include ''Dipentodon'', ''Gerrardina'', ''Huertea'', ''Perrottetia'', and ''Tapiscia''. ''Taxon'' 58(2):468-478.〕 and data from wood anatomy 〔Christenhusz, M. J. M., M. F. Fay, J. J. Clarkson, P. Gasson, J. Morales Can, J. B. Jiménez Barrios, & M. W. Chase. 2010. Petenaeaceae, a new angiosperm family in Huerteales with a distant relationship to ''Gerrardina'' (Gerrardinaceae). Botanical Journal of the Linnean Society 164: 16–25.〕 indicated that the family should be placed in the order Huerteales.
==References==
* http://www.mobot.org/MOBOT/Research/APweb/orders/huertealesweb.htm
* (Tree of Life: Gerrardina )
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