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Bladderwort is a carnivorous aquatic plant that belongs to the family Lentibulariaceae. It grows in temperate and tropical regions, in standing or slowly flowing fresh water. It has divided leaves and yellow flowers. The stems and leaves contain small, bladder-like traps that use suction to capture small aquatic prey such as insect larvae, brine shrimp, and water fleas.

Bladderwort photos:

Utricularia - Wikipedia
Bladderwort - Carnivorous Plant Resource
The Floating Bladderwort — In Defense of Plants
Carnivorous Plant Snaps Shut With 600 Gs - Live Science
Utricularia Bladderwort Information - Tips On Bladderwort Control And Care
Center for Aquatic and Invasive Plants - University of Florida, IFAS
Carnivorous Plants of Delaware's Wetlands: sundew, bladderworts  more
Carnivorous Bladderwort Fastest Plant in the World! - YouTube
Lesser Bladderwort - Encyclopedia of Life
Bladderwort - Carnivorous Plant Resource
Adirondack Wildflowers: Horned Bladderwort - Utricularia cornuta
Multimedia Gallery - Light micrograph of the bladder of a carnivorous  bladderwort plant (Image 1) - NSF - National Science Foundation
Genetic Tidying Up Made Humped Bladderworts Into Carnivorous Plants - The  New York Times
Center for Aquatic and Invasive Plants - University of Florida, IFAS
Genus: Utricularia (bladderwort): Go Botany
Leaves and bladders of the bladderwort Utricularia vulgaris aquatic  carnivorous plant. Underwater shot Stock Photo - Alamy
HORNED BLADDERWORT Utricularia Cornuta Carnivorous Carnivore - Etsy
Bladderwort (Utricularia Vulgaris) Native oxygenator - Wetland Plants
Bladderwort catching flea in slow motion - YouTube
Carnivorous Plant: The plant with vacuum power - CGTN
And The Winner Is: The Humped Bladderwort : The Picture Show : NPR
File:Common Bladderwort (3629471561).jpg - Wikimedia Commons
Maryland Biodiversity Project - Common Bladderwort (Utricularia macrorhiza)
Carnivorous Plant: The plant with vacuum power - CGTN
Intake of a humped bladderwort - 2015 Photomicrography Competition -  Nikon's Small World
Under Water Leaves with Bladder-like Traps of a Greater Bladderwort ,  Utricularia Vulgaris Stock Photo - Image of horizontal, flower: 150467046
bladderwort - Roads End Naturalist
Bladderworts: Pretty, But Deadly Adirondack Natives - - The Adirondack  Almanack
Utricularia sandersonii - Wikipedia


The bladder traps of bladderwort work through a complex system of hinged trapdoors that open when aquatic prey is sensed, allowing the prey to enter the trap. Once the prey is inside, several inwardly projecting hairs triggered a vacuum, drawing the prey into to the trap and holding it until it digests it. This trap is adapted to its diet of small aquatic organisms, which it gains nutrition from while its roots absorb sulfur, nitrogen, and other essential nutrients from the water.


The importance of bladderwort lies in its ability to draw nutrients from its environment. This plant is an important part of the aquatic ecosystem, serving as a biological filter, trapping suspended particles and releasing oxygen into the water. Additionally, bladderwort can be used as a biological control agent, limiting the population of some aquatic pests, such as mosquito larvae.

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