noun. any of numerous aquatic carnivorous plants of the genus Utricularia some of whose leaves are modified as small urn-shaped bladders that trap minute aquatic animals.
- genus Utricularia
Example sentences of the word bladderwort
1. Noun, singular or mass
Humped bladderwort has flat yellow flowers which grow on stalks above the waterline.
Although carnivorous, bladderwort bladders usually catch minute living organisms, not fish.
Their common name is bladderwort and this gives a clue as to the operation of their traps.