Page author: David Giblin
Downingia willamettensis
Willamette downingia

Distribution: Occurring on both sides of the Cascades crest in Washington; Washington to California.

Habitat: Marshes, wet meadows and edges of ponds.

Flowers: April-August

Origin: Native

Growth Duration: Annual

Conservation Status: Not of concern


Annual herbs from fibrous roots, the stems erect or ascending, simple or branched, 0.5-3 dm. tall, the herbage glabrous throughout.


Leaves alternate, sessile, the lower leaves narrow, the others lanceolate to lance-ovate, 0.5-1.5 cm. long and up to 7 mm. wide.


Flowers sessile and solitary in the leaf axils; calyx lobes 5, linear, 3-8 mm. long; corolla showy, blue to pink or white with a yellow-ridged white eye, 7-12 mm. long, two-lipped, the tube short, the 3-lobed lower lip large and spreading or reflexed; filaments and anthers connected in tubes, both tubes nearly straight and parallel, the filament tube 2-4.5 mm. long; stigma 2-lobed; ovary inferior.


Capsule 1-celled, elongate, 2-4 cm. long and 1-1.5 mm. thick.

Accepted Name:
Downingia willamettensis M. Peck
Publication: Proc. Biol. Soc. Washington 47: 187. 1934.

Synonyms & Misapplications:
Downingia yina Applegate var. major McVaugh [HC]
Additional Resources:

PNW Herbaria: Specimen records of Downingia willamettensis in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Downingia willamettensis checklist entry

OregonFlora: Downingia willamettensis information

E-Flora BC: Downingia willamettensis atlas page

CalPhotos: Downingia willamettensis photos

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