flat-leaved bladderwort, northern bladderwort
Etymology: Utricularia: from Latin utriculus, "a small bag or bladder," the common name of which is bladderwort
Plants: creeping annual, 3"-10" tall, floating aquatic; stems floating under shallow water, bladders only on leafless branches
Leaves: many, finely-divided, forking 3-7 times, alternate, flattened, with a midrib
Flowers: yellow, 5-parted, 1/2" long, 2 lipped, lower lip twice as long as the upper, spur almost equal the lower lip; inflorescence usually 2-4 stalked flowers in sagging clusters (racemes); blooms July-Aug.
Habitat: lakes, ponds, ditches
Conservation Status: Native
Floristic Rating: Coefficient of Conservatism = 9, Wetland Indicator = OBL Wisconsin Natural Resources Magazine: Information and Photos USDA Plants Database: Federal Distribution and detailed information including photos