Common Bladderwort
(Urticularia vulgaris)

Other common names: Greater Bladderwort
Family: Bladderwort Family (Lentibulariaceae)
Distinctive features: Small plants growing in bogs/fens or water. No visible leaves. Bright yellow flower. Floating plant. Bladders scattered amongst roots.
Similar species:
  •   Horned Bladderwort (Urticularia cornuta) - rooted in mud in bogs or fens; roots not visible.
  •   Flat-leaved Bladderwort (Urticularia intermedia) - also floating, bladders on separate stalks.
Flowers: Summer;  Yellow;  Irregular Flowers;  Yellow, on short stalks rising above the water. Summer.
Leaves: No apparent leaves;  None or very tiny.
Height: Short, only a few inches tall.
Stem: Short, smooth, serving only to hold flowers above the water.
Habitat: Bogs and fens.
Books: Newcombe's Wildflower Guide: 16    Peterson's Field Guide to Wildflowers: 122    ROM Field Guide to Wildflowers of Ontario: 302   
Native/Non-native: Native
Notes: Please read the Bladderworts page.
  

Wildflowers       Bladderworts

Several flowers grow on each stalk.

Note the horn that sticks out towards the front. This is distinctive of Common Bladderwort. The horn on Horned Bladderwort (Urticularia cornuta) sticks straight down.

A view of the flower from above.

The flower stalk is short, standing up only a few inches above the water.

Here is the whole plant. The plant floats in the water, with an extensive network of roots in the water.

Here the bladders are visible, scattered amongst the roots.
  

Wildflowers       Bladderworts

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