Achillea clavennae, the silvery yarrow, is a herbaceous perennial flowering plant in the sunflower family.Altervista Flora Italiana, Millefoglio di Clavena, Achillea clavennae L. The species name (clavennae) honors the 17th-century Italian botanist N. Clavena.
Description Achillea clavennae can reach a height of about . The leaves are silvery silky-hairy, pinnatifid, cut into some lobes, alternate, and about long. From June to August, many loose clusters of flowers bloom.
Distribution and habitat This species is native to Central Europe, the eastern Alps, the southern Alps up to the Balkan Peninsula.
This plant prefers sunny slopes in mountain regions.Alpine EncyclopaediaHortipedia
References