Flat-leaved Bladderwort
Utricularia intermedia

Flat-leaved Bladderwort (Utricularia intermedia) Other common names: Intermediate Bladderwort

Family: Bladderwort Family (Lentibulariaceae)

Group: Bladderworts

Distinctive features: Small plants growing in bogs/fens or water, floating. No visible leaves. Bright yellow flower. Bladders on separate stalks from roots.

Similar species:
  •   Horned Bladderwort (Utricularia cornuta) - rooted in mud in a bog or fen; only stem and flowers visible.

  •   Common Bladderwort (Utricularia vulgaris) - also floating. Bladders scattered amongst roots.


Flowers: Summer;  Yellow;  Irregular flowers;  On short stalks rising above the water.

Leaves: None;  None or very tiny.

Height: Up to 7 cm (3 in)

Stem: Short, smooth, serving only to hold flowers above the water.

Habitat: Wet Areas;  Bogs, fens, open wet areas.

Books: Newcomb'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.

Origin and Meaning of Names:
 Scientific Name: intermedia: intermediate


For more information visit: Ontario Wildflowers

Photographs: 143 photographs available, of which 3 are featured on this page. SCROLL DOWN FOR PHOTOGRAPHS.

Range Map is at the bottom of the page

Flat-leaved Bladderwort (Utricularia intermedia) flower

Closeup view of a Flat-leaved Bladderwort flower. Note the wide flat lip.

Flat-leaved Bladderwort (Utricularia intermedia) plants

A number of Flat-leaved Bladderwort growing in a water-filled depression.

Flat-leaved Bladderwort (Utricularia intermedia) flowers

These flowers have no horns (as opposed to Common Bladderwort (Utricularia vulgaris) and Horned Bladderwort (Utricularia cornuta)).


Range map for Flat-leaved Bladderwort (Utricularia intermedia)

PLEASE NOTE: A coloured Province or State means this species occurs somewhere in that Province/State.
The entire Province/State is coloured, regardless of where in that Province/State it occurs.

(Range map provided courtesy of the USDA website and is displayed here in accordance with their Policies)

 

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