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Three new species of Lachemilla (Rosaceae) from South America
Diego F Morales-Briones1,2, Katya Romoleroux3, David C Tank2
1Department of Plant and Microbial Biology, University of Minnesota, 140 Gortner Laboratory, 1479 Gortner Avenue, Saint Paul, Minnesota, 55108, USA University of Idaho Moscow United States of America.
Abstract:
Three new species of Lachemilla (Rosaceae), two from Colombia and one from Peru, are described and illustrated. Lachemillarothmaleriana is characterized by its stout stems, sericeous-villous indumentum, and wide ascending sheaths with trilobate lateral lobes. Lachemillaargentea presents a unique combination of tripartite basal leaves with an adaxial silvery villous indumentum, and decumbent branches with verticillate lobed sheaths. Finally, Lachemillacyanea has distinctly basal reniform leaves with a blue-green color and hirsute pubescence. Phylogenetic analyses of the nuclear ribosomal cistron and multiple regions of the plastid genome revealed the allopolyploid origin of the three new taxa.
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