a mullein plant grows a a large, furry stem during its second year before blooming

background biennial black color coneshape daytime detail digital figwart flower foliage furry fuzzy green hairy hammar health herb herbaceous herbal image kim leaf medicinal medicine mullein mulleins mullen natural nature naturopathic one outdoor people perennial plant remedy respiratory rod rosette rotenone scrophulariaceae soft spike spiral stalk stalks stem system tea thapsus treatment verbascum verbascums vertical