Utricularia intermedia
 
Flat-Leaved Bladderwort

Two Leaves

6.5 km North on Silica Sands Road, East of Hudson Bay
07-July-2021

Each leaf divides into three primary branches at the base.  Each primary branch then divides dichotomously multiple times.  The leaves of U. macrorhiza, on the other hand, divide into only two primary branches at the base.

Intermedia: Answers to key questions in Budd's Flora and Flora of Alberta leading to this species. 

stems creeping on bottom in shallow water; NOT [stems either submersed or floating]

leaves and bladders born on separate branches; NOT [leaves and bladders born on the same branch]

leaves readily seen; NOT [leaves obscure]

leaves finely dissected; NOT [leaves thread-like, simple]

bladders readily seen; NOT [bladders minute];

flower stalks ascending; NOT [flower stalks recurved]

flowers 10-15 mm long; NOT [flowers 3-8 mm long], NOT [flowers 15-25 mm long]

 

Utricularia: Answers to key questions in Budd's Flora and Flora of Alberta leading to this genus. 

plants floating on or submersed in water; NOT [land plants]

leaves not in a basal rosette

leaves usually dissected; NOT [leaves entire]

leaves bearing small bladders

flowers several in a raceme above water; NOT [flowers solitary]

calyx with 2 sepals; NOT [calyx with 5 sepals]

flowers yellow; NOT [flowers bluish violet]

 

Lentibulariaceae: Answers to key questions in Budd's Flora leading to this family. 

herbs; NOT [shrubs or trees]

plants green or with some chlorophyll

plants aquatic

flowers NOT in heads or spikes

corolla irregular; NOT [corolla regular]

corolla spurred

ovary superior; NOT [ovary inferior]