Are Berkheya and Valeriana both endemic to Africa?
Valeriana Valeriana is a genus of flowering plants in the family Caprifoliaceae, members of which may by commonly known as valerians. It contains many species, including the garden valerian, "Valeriana officinalis". Some species are native to Europe, others to North America and South America (especially in the Andes).
Valeriana californica Valeriana californica is a species of flowering plant in the honeysuckle family known by the common name California valerian. It is native to Oregon, northeastern California, and Nevada, where it occurs in moist, forested mountain habitat. It is an erect herb up to half a meter tall with whorls or opposite pairs of deeply lobed leaves at intervals along stem. The inflorescence is a cyme of many funnel-shaped white or pink-tinged flowers each about half a centimeter long with three long, protruding stamens. The fruit is a ribbed achene about half a centimeter long which may be tipped with the featherlike remains of the flower sepals.