Page authors: Don Knoke, David Giblin
Lamium galeobdolon
yellow archangel, yellow dead-nettle

Distribution: Occurring west of the Cascades crest in Washington; British Columbia to California, also in eastern North America.

Habitat: Lowland forest understory, often where disturbed.

Flowers: April-June

Origin: Introduced from Eurasia

Growth Duration: Perennial

Conservation Status: Not of concern


Creeping perennial, the stems 2-4 dm. tall, hairy throughout, with a strong odor, and with long, leafy stolons, not rooting at the nodes.


Leaves opposite, narrow to broadly lanceolate, petiolate, prominently veined.


Flowers in whorls at the base of upper leaves; calyx deeply divided, the lobes long and narrow, tapering to a point; corolla yellow, highly irregular, bilabiate, 4-lobed, the upper lip hooded, the lower lip with red-brown streaks; stamens 4, nearly included in the hooded, upper lip.


Nutlets 4.

Accepted Name:
Lamium galeobdolon (L.) L.
Publication: Amoen. Acad., Linnaeus ed. 4: 485. 1759.

Synonyms & Misapplications:
Lamiastrum galeobdolon (L.) Ehrend. & Polatschek [HC2, Stace 1997]
Lamiastrum galeobdolon (L.) Ehrend. & Polatschek ssp. argentatum (Smejkal) Stace [HC2]
Additional Resources:

PNW Herbaria: Specimen records of Lamium galeobdolon in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Lamium galeobdolon checklist entry.

E-Flora BC: Lamium galeobdolon atlas page.

CalPhotos: Lamium galeobdolon photos.

USDA Plants: Lamium galeobdolon information.

27 photographs:
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