Trailside Botany: 101 Favorite Trees, Shrubs and Wildflowers of the Upper Midwest
Flat-leaved BladderwortUtricularia spp.Bladderworts capture minute insects in a hollow bladder-like trap enclosing a partial vacuum that is triggered by hairs near its opening. The whole process takes 1/460 of a second, making the bladderwort the fastest-moving plant in the world.