Page author: David Giblin
Erysimum cheiranthoides
treacle mustard, wormseed wallflower

Distribution: Occurring chiefly east of the Cascades crest in Washington; widely distributed throughout much of North America.

Habitat: Disturbed areas including fields, roadsides and wastelots, often where moist.

Flowers: June-August

Origin: Introduced from Eurasia

Growth Duration: Annual

Conservation Status: Not of concern

Pollination: Bees, butterflies, flies, hummingbirds


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Accepted Name:
Erysimum cheiranthoides L.
Publication: Sp. Pl. 2: 661. 1753.

Synonyms & Misapplications:
Cheiranthus cheiranthoides (L.) A. Heller
Cheirnia cheiranthoides (L.) Link
Additional Resources:

PNW Herbaria: Specimen records of Erysimum cheiranthoides in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Erysimum cheiranthoides checklist entry

OregonFlora: Erysimum cheiranthoides information

E-Flora BC: Erysimum cheiranthoides atlas page

CalPhotos: Erysimum cheiranthoides photos

25 photographs:
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