About the taxonomic affiliation of Svetlana’s onion – Allium svetlanae Vved. ex Filim.
UDC 582.572.225:581.961+575.113.12
Abstract
This article clarifies the taxonomic relationship of the endemic species Allium svetlanae Vved. ex Filim. from the Nuratau Range in Uzbekistan. While reviewing unpublished materials by A. I. Vvedensky, Z. N. Filimonova discovered four herbarium specimens of Allium svetlanae, which had been prepared for description, in a folder containing Allium oliganthum. Unfortunately, when describing the species, Z. N. Filimonova erroneously assigned the species to the section Haplostemon. Subsequently, F. O. Khassanov automatically transferred this species to the section Caeruleum of the subgenus Allium. Analysis of morphological and molecular data unambiguously assigns this species to the section Schoenoprasum of the subgenus Cepa. In terms of ecological association and morphology, Allium svetlanae is closest to A. oliganthum, common in the Kazakh Uplands, but differs from the latter in a number of features.
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