Achillea clavennaeAchillea clavennae, the silvery yarrow, is a herbaceous perennial flowering plant in the sunflower family. The species name honors the Italian botanist N. Clavena.DescriptionAchillea clavennae can reach a height of about. The leaves are silvery silky-hairy, pinnatifid, cut into some lobes, alternate, about long. This plant blooms from June to August, producing many loose clusters.DistributionThis species is native to Central Europe, the eastern Alps, the southern Alps up to the Balkan Peninsula.HabitatThis plant prefers sunny slopes in mountain regions.