Abstract

SummaryConflicting interpretations of Allium descendens L. made it necessary to determine the original usage of this epithet in Linnaeus's Species Plantarum (1753).The single sheet (419.15) of this species in the Linnaean Herbarium, named by Linnaeus, is from SE. Russia, whereas Linnaeus quoted Helvetia as its area of distribution. Thus, the Linnaean specimen cannot be considered as the type. No illustration cited in Species Plantarum is adequate to serve as lectotype of the species. It is also possible that the species was based on a cultivated plant of unknown origin.As the name A. descendens L. was applied in later literature to several spscies, it is recommended that it be rejected as a nomen ambiguum.

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