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common name for several species of the plant genus Pinguicula of the north temperate zone and the mountains of tropical America. It is a member of the family Lentibulariaceae (bladderwortbladderwort
, any plant of the genus Utricularia, insectivorous or carnivorous aquatic plants, many native to North America. Small animals are caught and digested in bladderlike organs of the finely divided submerged leaves.
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(Pinguicula), a genus of perennial insectivorous plants of the family Lentibulariaceae. The leaves are in a basal rosette and are usually elliptical. They are covered by glandular hairs which secrete a mucilage that traps small insects and a sap containing proteolytic enzymes that dissolve the proteins in the insects’ bodies. The flowers are solitary and located on long peduncles. The corolla is bilabiate and spurred. It is violet, blue, or pink, rarely white. There are two stamens. The fruit is a capsule. There are about 35 species in the extratropical regions of the northern hemisphere and in South America. In the USSR there are six or seven species, primarily in the north. The common butterwort (P. vulgaris), which grows in damp places, is the most widely distributed.

References in periodicals archive ?
The common butterwort, an insect eater which favours midges, looks like a small lime-green starfish.
Plants including black bog rush (Schoenus nigricans), blunt-flowered rush (Juncus subnodulosus), quaking grass (Briza media) and common butterwort (Pinguicula vulgaris) have been recorded, while protected species like great-crested newt, water vole, and adder breed at the reserve.
Where the peat is flushed by water emerging from adjacent mineral soils, the vegetation is dominated by tall sedges, common butterwort and grass of Parnassus.
The yellowy green leaves of Butterwort are sticky and hairy to trap and digest unwary insects.
Flowers such as the orchid, ragged robin and insect-eating sundew and butterwort also grow there.
Mt Smokilas has the widest variety of central European mountain flowers like dramatic pink violets, snowbells and butterworts.
a slideshow that includes the cobra lily, sundews, bladderworts and butterworts found here in Oregon's bogs.
In Insectivorous Plants, Darwin (1900) made reference numerous times to the pollen grains, leaf fragments, and seeds found on the sticky leaves of sundews and butterworts (Pinguicula).
D'Amato also grows butterworts, which secrete a sticky substance that acts like flypaper, gluing its victims in place as enzymes (proteins that aid body functions) digest the insect's soft tissues.
Butterworts - tiny bugs get glued to the pretty but sticky leaves.
In the West, we have sundews, bladderworts, butterworts, and the sinuously curved cobra plant (Darlingtonia californica), whose domain is the Oregon coast and far northern California.
The latter club gives you tropical houseplants such as cape sundews, Mexican butterworts, pygmy sundews and Asian pitchers.