Page author: David Giblin
Erythranthe guttata
seep monkey-flower, yellow monkey-flower

Distribution: Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east to the northern Great Plains.

Habitat: Wet places, from sea level to middle elevations in the mountains.

Flowers: March-September

Origin: Native

Growth Duration: Annual, Perennial

Conservation Status: Not of concern

Pollination: Bees


A highly variable species, either annual from fibrous roots, or perennial with stolons or rhizomes, the stems from less than a decimeter to nearly a meter high.


Leaves opposite, soft and often somewhat succulent, the blades from quite small to nearly 1 dm. long, irregularly dentate, ovate to reniform-cordate; leaves nearly palmately veined, the 3-7 main veins arising near the base; lower leaves petiolate, becoming sessile upward, those of the inflorescence reduced and clasping.


Flowers several to many in terminal racemes, on long pedicels, or solitary in dwarf forms; calyx 5-toothed, irregular, the upper tooth much the largest, the 2 lower ones tending to fold upward; corolla 1-4 cm. long, strongly bilabiate, with flaring throat, yellow with maroon dots or splotches on the pubescent lower lip; stamens 4.



Accepted Name:
Erythranthe guttata (Fisch. ex DC.) G.L. Nesom
Publication: Phytoneuron 2012-39: 1–60. 2012.

Synonyms & Misapplications:
Mimulus guttatus DC. [HC]
Mimulus guttatus DC. var. guttatus [HC]
Additional Resources:

PNW Herbaria: Specimen records of Erythranthe guttata in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Erythranthe guttata checklist entry

OregonFlora: Erythranthe guttata information

E-Flora BC: Erythranthe guttata atlas page

CalPhotos: Erythranthe guttata photos

118 photographs:
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