Descurainia is represented in South America by nine native and one introduced weedy species. Full synonymies and typifications are provided for all taxa previously recognized from this continent. A key to all species and their distribution in South America are presented. The Colombian new species D. cleefii is described and illustrated, and its distinguishing characters from all of the New World species of Descurainia are given.
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Harvard Papers in Botany
Vol. 17 • No. 2
December 2012
Vol. 17 • No. 2
December 2012
Brassicaceae
Descurainia
South America
synopsis