Page authors: David Giblin, Don Knoke
Lotus uliginosus
large bird's-foot trefoil, big lotus, big trefoil

Distribution: Occurring west of the Cascades crest in Washington; British Columbia to California, east to Idaho; east across Canada to Nova Scotia; scattered localities in eastern U.S.

Habitat: Moist to wet disturbed areas, roadsides, abandoned lots, and coastal tidelands.

Flowers: May-July

Origin: Introduced from Europe

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bumblebees, bees, butterflies


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Accepted Name:
Lotus uliginosus Schkuhr
Publication: Handb. 2: 412, plate 211 [upper right center]. 1798. 1796.

Synonyms & Misapplications:
Lotus pedunculatus Cav. [KZ99]
Additional Resources:

PNW Herbaria: Specimen records of Lotus uliginosus in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Lotus uliginosus checklist entry.

OregonFlora: Lotus uliginosus information.

E-Flora BC: Lotus uliginosus atlas page.

CalPhotos: Lotus uliginosus photos.

USDA Plants: Lotus uliginosus information.

15 photographs:
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