Ageratum

Genus of plants For a virus of the same name, see Ageratum yellow vein virus. Bluemink (Ageratum houstonianum) Ageratum (/əˈdʒɛrətəm/)[2] (whiteweed in the US) is a genus of 40[3] to 60 tropical and warm temperate flowering annuals and perennials from the family...