Utricularia vulgaris

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Common Bladderwort
Uk pond bladderwort.jpg
Utricularia vulgaris, the common bladderwort
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Lamiales
Family: Lentibulariaceae
Genus: Utricularia
Species: U. vulgaris
Binomial name
Utricularia vulgaris
L.

Utricularia vulgaris (common bladderwort) is an aquatic species of bladderwort found in Asia and Europe. The plant is a free-floating and does not put down roots. Stems can attain lengths of over one metre in a single growing season, but die back and form turions in winter. The leaves are finely pinnately divided, between one to eight centimetres long and carry many bladder-like traps. The yellow flowers are borne on stalks above the surface of the water between April and August. In eastern Asia and North America, its place is taken by the related species U. macrorhiza.

Inflorescence of Utricularia vulgaris