Knautia drymeia
Knautia drymeia Heuff.

Knautia drymeia is a herbaceous perennial in the Caprifoliaceae family, native to Central and Southeastern Europe. It is commonly known as the Hungarian widow flower and was first described in 1856 by Heuff. The species is found in countries including Albania, Austria, Bulgaria, Czechoslovakia, Germany, Greece, Hungary, Italy, Romania, Switzerland, and Yugoslavia. Taxonomic clarification has identified K. drymeia as the correct name, with S. sylvatica considered a nomen ambiguum, though no formal rejection has been made.
Description
Knautia drymeia belongs to the genus Knautia in the Caprifoliaceae family. It is a herbaceous perennial plant that occurs across several European countries. Taxonomic work has clarified that K. drymeia is the valid name for this species, while S. sylvatica has been identified as a nomen ambiguum. Although Gutermann and others proposed this conclusion, no formal rejection of S. sylvatica has been recorded. The plant is known by the common name Hungarian widow flower and is part of the broader flora of Central and Southeastern Europe.
Distribution
Albania · Austria · Bulgaria · Czechoslovakia · Germany · Greece · Hungary · Italy · Romania · Switzerland · Yugoslavia
Synonyms
Knautia sylvaticaTrichera sylvaticaTrichera pannonicaTrichera drymeiaScabiosa pannonicaScabiosa sylvaticaSuccisa ciliataAnisodens longifoliusAnisodens sylvaticusAstrocephalus ciliataAstrocephalus sylvatica
