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25 April 2006 Phaseolus novoleonensis, a New Species (Leguminosae, Phaseolinae) from the Sierra Madre Oriental, Nuevo León, Mexico
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Abstract

A new species of Phaseolus occurs on the eastern slope of Sierra Madre Oriental of Mexico, in the state of Nuevo León, at the northeastern corner of the Chihuahuan desert. Because of its coriaceous leaflets, Phaseolus novoleonensis belongs to section Coriacei Freytag. Although morphologically related to P. maculatus subsp. maculatus and subsp. ritensis, it differs by its having trifoliolate leaves at first nodes, small rounded leaflets, few-noded racemes, and flattened cream-colored seeds.

C. Jesús Salcedo, José Alejandro Arroyave, Orlando Toro Ch, and Daniel G. Debouck "Phaseolus novoleonensis, a New Species (Leguminosae, Phaseolinae) from the Sierra Madre Oriental, Nuevo León, Mexico," Novon: A Journal for Botanical Nomenclature 16(1), (25 April 2006). https://doi.org/10.3417/1055-3177(2006)16[105:PNANSL]2.0.CO;2
Published: 25 April 2006
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