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Utricularia

Common Name(s):

Phonetic Spelling
yoo-trik-u-LAR-ee-uh
Description

Bladderworts are widely spread throughout the world and there are over 200 species. They are the largest genus of carnivorous plants and are unlike any other due to their unique bladder system. Bladderworts trap small organisms in their tiny bladders which have a trap door that is triggered by hairs on the door. When prey comes in contact with the hairs the door opens in a millisecond, sucking the animal in, and closing in about 2.5 milliseconds. The primary food is water flies and mosquito larvae.

The aquatic species are completely submerged in water except for the stem and blooms and may anchor themselves or float freely. Other varieties grow in very wet soil and are usually tropical. None of them have true roots and prefer growing in still, shallow acidic water with low nutrient value. Some species can be invasive.

Tropical bladderworts can be grown successfully in containers as houseplants. They can be either perennials or annuals.

 

Cultivars / Varieties:
Tags:
#sun#deciduous#water garden#perennial#container plant#carnivorous#weedy#water plant#pond
 
Cultivars / Varieties:
Tags:
#sun#deciduous#water garden#perennial#container plant#carnivorous#weedy#water plant#pond
  • Attributes:
    Genus:
    Utricularia
    Life Cycle:
    Annual
    Perennial
    Recommended Propagation Strategy:
    Seed
    Country Or Region Of Origin:
    North America
    Distribution:
    Every state
    Wildlife Value:
    It provides a place for swamp critters to lay their eggs and shelter for animals like turtles, salamanders, and bullfrogs.
  • Whole Plant Traits:
    Plant Type:
    Carnivorous
    Water Plant
    Leaf Characteristics:
    Deciduous
    Habit/Form:
    Spreading
    Growth Rate:
    Medium
    Maintenance:
    Low
    Texture:
    Fine
  • Cultural Conditions:
    Light:
    Full sun (6 or more hours of direct sunlight a day)
    Soil pH:
    Acid (<6.0)
    Soil Drainage:
    Frequent Standing Water
    NC Region:
    Coastal
  • Flowers:
    Flower Color:
    Gold/Yellow
    Purple/Lavender
    Flower Inflorescence:
    Raceme
    Flower Value To Gardener:
    Showy
    Flower Bloom Time:
    Spring
    Summer
    Flower Shape:
    Tubular
    Flower Petals:
    2-3 rays/petals
    Flower Size:
    < 1 inch
    Flower Description:
    Small yellow or purple flowers appear in spring and summer and are held above the water on 1-5 inch stems.
  • Leaves:
    Leaf Characteristics:
    Deciduous
    Leaf Type:
    Simple
    Leaf Arrangement:
    Opposite
    Leaf Shape:
    Linear
    Hairs Present:
    Yes
    Leaf Description:
    Modified stems and leaves act as anchors and storage. Bladders trap small water insects. Leaves are a star-shaped mat with delicate, threadlike stems.
  • Stem:
    Stem Is Aromatic:
    No
  • Landscape:
    Landscape Location:
    Container
    Houseplants
    Pond
    Landscape Theme:
    Water Garden
    Problems:
    Weedy