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The systematic position of Euphronia, with comments on the position of Balanops: An analysis based on rbcL sequence data

The systematic position of Euphronia, with comments on the position of Balanops: An analysis based on rbcL sequence data

Systematic Botany 23(4): 401-409

Euphronia has been variously allied with the Trigoniaceae and Vochysiaceae, but morphological data have been unable to indicate an unequivocal position for this distinctive genus. Molecular sequence data place Euphronia as sister to the Chrysobalanaceae, in a clade that also includes Dichapetalaceae and Trigoniaceae. A review of morphological, anatomical, and phytochemical data failed to turn up any apparent synapomorphies relating Euphronia to the other taxa in the clade. Nonetheless, these data do not clearly indicate any alternative taxonomic position, thus the placement indicated by the molecular data should be accepted at this time. Another genus of uncertain affinities, Balanops, is also a member of this clade, falling as sister to the rest of the taxa. We suggest that both Euphronia and Balanops be recognized as monotypic families.

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Accession: 011553840

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DOI: 10.2307/2419372

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