Lentibulariaceae(redirected from bladderwort family)
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Related to bladderwort family: Biovularia
(butterworts), a family of insectivorous dicotyledonous plants, including mostly perennial herbs with adaptations usually in the form of small bladders for trapping small invertebrates. The trapped animals are then digested by secreted enzymes and assimilated. The bisexual, irregular flowers are solitary or gathered into racemes or spicate inflorescences. The corolla is bilabiate, with a spur or follicular growth (as seen in the West Indian Biovularia). There are two stamens. The gynoecium has two carpels, and the ovary is superior. The fruit most commonly is a capsule. There are approximately 300 species of Lentibulariaceae, making up five genera. The plants grow primarily in water or on damp soil. They are found almost everywhere in the world. The most extensive genera, Utricularia and Pinguicula, are both found in the USSR.