Bowman's root is rare in Ontario, but becomes more common further south in the United States. Recent work by R. C. Evans and others suggests that this genus is the sister group of tribe Pyreae.
Photo: R. C. Evans © 1998 R. C. Evans
Evans, R. C. 1999. Molecular, morphological, and ontogenetic evaluation of relationships and evolution in the Rosaceae. Ph.D. thesis, Botany Department, University of Toronto.Evans, R. C., Alice, L. A., Campbell, C. S., Kellogg, E. A., & Dickinson, T. A. 2000. The granule-bound starch synthase (GBSSI) gene in the Rosaceae: multiple loci and phylogenetic utility. Molecular Phylogenetics & Evolution 17: 388-400. (abstract)
Campbell, C. S., Evans, R. C., Morgan, D. R., Dickinson, T. A. & Arsenault, M. P. 2007. Phylogeny of subtribe Pyrinae (formerly the Maloideae, Rosaceae): limited resolution of a complex evolutionary history. Plant Syst. Evol. 266(1-2): 119-145 (reprint).
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