Northern Prairie Wildlife Research Center

Aquatic and Wetland Vascular Plants of the Northern Great Plains

46. Lentibulariaceae, the Bladderwort Family

1. Utricularia L. -- Bladderwort

2. Utricularia minor L.


Similar in habit to the preceding. Leaves numerous, commonly trichotomous at the base and then dichotomous or irregularly 1-3X divided, mostly 0.3-1 cm long, the segments slender, flat, entire, sometimes toothed at the tip, not much reduced with each branching, the ultimate segments strongly acuminate; bladders borne on ordinary leaves, 1-2 mm wide; winter buds obovoid to globose, 2-5 mm long. Flowers usually 2-9 in a lax raceme; peduncle 4-15 cm long; corolla with a lower lip 4-8 mm long, 2X as long as the upper lip, the palate scarcely developed; spur small, to 1/2 as long as the lower lip; fruiting pedicels recurved. Jul--Aug. Shallow water of fens and fresh marshes; rare, n and c ND, c and sw NE; (Circumboreal, in N. Amer. s to NJ, IN, ND and CA).
GIF- Distribution Map

Map key


Previous Section -- Utricularia intermedia Hayne
Return to Family -- Lentibulariaceae - The Bladderwort Family
Next Section -- Utricularia vulgaris L. -- Common bladderwort
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