Pinguicula vulgaris, the common butterwort, is a perennial carnivorous plant in the bladderwort family, Lentibulariaceae. It grows to a height of 3–16 cm, and is topped with a purple, and occasionally white, flower that is 15 mm or longer, and shaped like a funnel. This butterwort grows in damp environments such as bogs and swamps, in low or subalpine elevations.