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A picture of a Bladderwort

Bladderwort

Utricularia spp.

Utricularia cornuta Orchi 11 by Orchi (CC-BY-SA-3.0)

Full Sun
Moderate care
Frequent watering
Tender

10b

USDA zone

2°C

Minimum temperature

Expected size

Height
Spread

50cm

Max

50cm

10cm

Min

10cm

2 years to reach maturity

Flowering

    • spring
    • summer
    • autumn
    • winter

    More images of Bladderwort

    A photo of Bladderwort
    A pink flower on a Utricularia plant
    A close up of a pink Utricularia flower
    A close up of a purple Utricularia flower
    A close up of some yellow Utricularia flowers

    Bladderwort Overview

    Utricularia is a genus containing around unusual 252 species in the carnivorous bladderwort family, Lentibulariaceae. These plants have a cosmopolitan distribution and they are therefore found across most of the world, on every continent, excluding Antarctica. They may be aquatic, terrestrial or epiphytic and are all insectivorous annual or perennial species. The aquatic species are found in freshwater environments and the terrestrial species enjoy wet soil. They produce kidney-shaped foliage with specialised bladder-like structures for trapping live insect prey. These bladder traps work through sophisticated trapping mechanisms, aquatic species employ active traps like the famous Venus Flytrap, where insects trigger hair structures, causing prey to be sucked into the bladder, which fills with water. These traps are considered one of the most sophisticated structures in the plant kingdom. Attractive, colourful flowers are produced solitarily or arranged on raceme structures, they are 2-lipped and resemble those of Snapdragons. They are popular with carnivorous plant enthusiasts.

    How to propagate Bladderwort

    Seed

    Division

    Special features of Bladderwort

    Attractive flowers

    Wet sites

    Other uses of Bladderwort

    Some species are suitable only for tropical aquariums; those grown in outdoor pools require full sun (aquatic).

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