watercolor sweet clover.

aquarelle aroma background bee biennial bloom blossom botanical botany bright chemical clover common coumarin design dicoumarol drawing element fabaceae field floral flower fragrance fragrant grass green hand herb herbaceous herbal honey illustration industry legumes leguminous meadow medical medicinal medicine melilot melilotus natural nature nectariferous odor officinalis paint painting phytoremediation plant ribbed smell spring summer sweet watercolor white wild yellow