Pinguicula caerulea, commonly referred to as blue butterwort, blueflower butterwort, or violet butterwort, is a flowering plant species in the carnivorous butterwort (Pinguicula) genus and bladderwort family (Lentibulariaceae).[1] It is a perennial dicot.[2] It grows in moist sandy pineland habitat in the south-east USA.[3] Caerulus is Latin for from the sky or sea and refers to the color of the flowers.[4]