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19 March 2009 Name Changes in the Mentzelia multicaulis Complex (Loasaceae)
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Abstract

Results from molecular phylogenetic analyses indicate that three varieties of Mentzelia multicaulis (Osterhout) J. Darlington (Loasaceae) are more closely related to other species of Mentzelia sect. Bartonia Torrey & A. Gray than to M. multicaulis var. multicaulis. We elevate three varieties of M. multicaulis, originally described from Utah, to specific rank, recognizing them as M. librina (K. H. Thorne & F. J. Smith) J. J. Schenk & L. Hufford, M. flumensevera (N. H. Holmgren & P. K. Holmgren) J. J. Schenk & L. Hufford, and M. uintahensis (N. H. Holmgren & P. K. Holmgren) J. J. Schenk & L. Hufford. Both stamen and leaf shape characters support evolutionary relationships of these species with their closest relatives among the mentzelias found in the Intermountain West of the United States.

John J. Schenk and Larry Hufford "Name Changes in the Mentzelia multicaulis Complex (Loasaceae)," Novon: A Journal for Botanical Nomenclature 19(1), 117-121, (19 March 2009). https://doi.org/10.3417/2007106
Published: 19 March 2009
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