Page author: David Giblin
Lamiastrum galeobdolon
yellow archangel
WTU specimens
Other herbaria

Distribution: West of the Cascades in Washington; California and scattered localities in eastern U.S.

Habitat: Introduced as an ornamental, escaping in lowland forest understory and disturbed soil in shaded areas.

Flowers: May-June

Origin: Introduced from Eurasia

Conservation Status: Not of concern

Description:
General:

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:

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

Flowers:

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.

Fruits:

Nutlets 4

Accepted Name:
Lamiastrum galeobdolon (L.) Ehrend. & Polatschek
Publication: Oesterr. Bot. Z. 113: 108. 1966.

Synonyms & Misapplications:
Lamium galeobdolon (L.) L.
Infraspecies:
ssp. argentatum – yellow archangel
Additional Resources:

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

WA Flora Checklist: Lamiastrum galeobdolon checklist entry.

E-Flora BC: Lamiastrum galeobdolon atlas page.

CalPhotos: Lamiastrum galeobdolon photos.

USDA Plants: Lamiastrum galeobdolon information.

25 photographs:
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