Valerian (herb) Valerian (herb) 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 , 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. Crude extract of valerian root may have sedative and anxiolytic effects, and is commonly sold in dietary supplement capsules to promote sleep. Valerian has been used as a medicinal herb since at least
Valerian (emperor) of Lactantius, Shapur I sent Valerian and some of his army to the city of Bishapur or Gundishapur where they lived in relatively good conditions. Shapur used the remaining soldiers in engineering and development plans. "Band-e Kaisar" (Caesar's dam) is one of the remnants of Roman engineering located near the ancient city of Susa. In all the stone carvings on Naghshe-Rostam, in Iran, Valerian is represented holding hands with Shapur I, a sign of submission. According to the early Persian Muslim scholar Abu Hanifa Dinawari, Shapur settled the prisoners of war in Gundishapur and released Valerian, as promised, after the