Page authors: Tanya Harvey, David Giblin
Utricularia minor
lesser bladderwort
WTU specimens
Other herbaria

Distribution: Widely distributed throughout Washington; Alaska south to California, east to the Atlantic Coast north of Virginia.

Habitat: Shallow, standing or slowly moving water.

Flowers: June-September

Origin: Native

Conservation Status: Not of concern

Description:
General:

Submersed plants with very slender stems, often creeping along the bottom.

Leaves:

Leaves numerous, alternate, 0.3-1 cm. long, 3-parted and the base, then dichotomously or irregularly 1-3 times divided, the segments slender and flat, the ultimate ones strongly acuminate; bladders borne on the leaves, often few, 1-2 mm. wide.

Flowers:

Flowers 2-9 in a lax raceme at the end of an emergent peduncle 4-15 cm. long; calyx deeply 2-lobed, the lobes entire; corolla bilabiate, yellow, the proper tube very short, the spur poorly developed, about half as long as the lower lip; the broad lower lip 4-8 mm. long, the base not raised, scarcely lobed; upper lip about half as long as the lower, shallowly notched; stamens 2, ovary superior.

Fruits:

Capsule on a recurved pedicel.

Accepted Name:
Utricularia minor L.
Publication: Sp. Pl. 1: 18. 1753.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Utricularia minor in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Utricularia minor checklist entry.

E-Flora BC: Utricularia minor atlas page.

CalPhotos: Utricularia minor photos.

USDA Plants: Utricularia minor information.

9 photographs:
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