Valerian (Valeriana officinalis, Caprifoliaceae) is a perennial flowering plant native to Europe and Asia. In the summer when the mature plant may have a height of 1.5 metres (5 ft), it bears sweetly scented pink or white flowers that attract many fly species, especially hoverflies of the genus Eristalis. It is consumed as food by the larvae of some Lepidoptera (butterfly and moth) species, including the grey pug.
From Old French valeriane or Medieval Latin valeriāna, a reinterpretation of what is found as German Baldrian after valēre (“to be powerful”) or also the gentilic name Valerius, which is seemingly borrowed in the Dark Age period from the late 6th to early 8th century from Turkic or Proto-Mongolic, when the Pannonian Avars were direct neighbours to the Germans, notably also present in Hungarian bojtorján (“burdock”), ultimately from Proto-Mongolic, reflected as
Middle Mongolian ᠪᠠᠯᠴᠢᠷᠭᠠᠨᠠ (balčirɣan-a, “false hellebore