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Common Bladderwort (Greater Bladderwort)
Utricularia macrorhiza (Utricularia vulgaris)

Bladderworts are carnivorous plants of bogs and shallow water. Submerged leaves (not visible in the photo) bear small round bladders. Tiny swimming animals touch trigger hairs around the mouth of a bladder. A trap door opens and the bladder expands, sucking the prey inside. Common bladderwort can be distinguished from other bladderworts by the short, curved spur on the flower.

• Family: Bladderwort (Lentibulariaceae)
• Habitat: shallow water
• Height: 4-8 inches
• Flower size: 3/4 inch long
• Flower color: yellow
• Flowering time: May to September
• Origin: native

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Utricularia macrorhiza
Utricularia macrorhiza

Last updated November 13, 2005. © 2005 Connecticut Botanical Society. All rights reserved.