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 and the City of a Thousand Planets one of the pearls. Aboard their ship, he learns that Mül was destroyed 30 years earlier, and all information about it is classified. They return to Alpha, where their superior, frosty Commander Arün Filitt, informs them the center of the station has been infected by an unknown force, rendering it highly toxic. Troops sent into the area have not returned, and the infection is growing. Laureline and Valerian are assigned to protect the commander during an interstation summit to discuss the crisis. Against the Commander's wishes, Laureline maintains possession of the converter. During the summit, the humanoids suddenly attack, incapacitating