Research note

Typification of the binomial Sedum boissierianum Hausskncht Crassulaceae

Valentin Bârcă

Valentin Bârcă
“Carol Davila” University of Medicine and Farmacy- Bucharest, AGAVE HIIQ Solutions- Bucharest, Romania. Email:

Online First: January 29, 2016
Bârcă, V. 2016. Typification of the binomial Sedum boissierianum Hausskncht Crassulaceae. Annals of Forest Research DOI:10.15287/afr.2016.496

Genus Sedum, described by Linne in 1753, a polyphyletic genus of flowering plants in the family Crassulaceae, was extensively studied both by scholars and succulents enthusiasts. Despite the great attention it has received over time, many binomials lack types and consistent taxonomic treatments. My currently undergoing process of the comprehensive revision of the genus Sedum in România and the Balkans called for the clarification of taxonomical status and typification of several basionyms described based on plants collected from the Balkans and the region around the Black Sea. Almost a century and a half ago, Haussknecht intensely studied flora of Near East and assigned several binomials to plants of the genus Sedum, some of which were neglected and forgotten although they represent interesting taxa. The binomial Sedum boissierianum Haussknecht first appeared in schedae as nomen nudum around 1892, for specimens originating from Near East, but was later validated by Froederstroem in 1932. Following extensive revision of the relevant literature and herbarium specimens, I located original material for this taxon in several herbaria in Europe (BUCF, LD, P, Z). I hereby designate the lectotype and isolectotypes for this basionym and furthermore provide pictures of the herbarium specimens and pinpoint on a map the original collections sites for the designated types.

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