Paeonia tenuifolia is a herbaceous species of peony that is called пион тонколистный (pion tonkolistnyy) in Russian, and nazikyarpaq pion in Azeri, both meaning "fine-leaved peony". In Ukraine it is known as піво́нія вузьколи́ста (pivóniya vuzʹkolýsta), which means "narrow peony", or степова́ піво́нія (stepová pivóniya) "steppe peony", while the Bulgarian/Serbian vernacular names теснолист божур/усколисни божур (tesnolist bozhur/uskolisni božur) an (Wikipedia)