Page authors: Ben Legler, David Giblin
Lamium purpureum
red dead-nettle, henbit
WTU specimens
Other herbaria

Distribution: Both sides of the Cascades in Washington, but more common on the west side; introduced throughout North America.

Habitat: Weed in distrurbed areas, fields, lawns at lower elevations.

Flowers: April-July

Origin: Introduced from Eurasia

Conservation Status: Not of concern

Description:
General:

Annual herb with branched stems creeping at base and erect above; stems square in cross-section.

Leaves:

Opposite, heart-shaped, toothed, all with petioles; upper leaves usually purplish tinged.

Flowers:

Pink to purple, to 15 mm long with 5 irregular lobes at tip; in small clusters in leaf axils.

Fruits:

4 small nutlets.

Identification Notes:

The opposite leaves are all petiolate, even in the inflorescence, unlike Lamium amplexicaule which has sessile upper leaves; look also for the square stems and heart-shaped leaves.

Accepted Name:
Lamium purpureum L.
Publication: Sp. Pl. 2: 579. 1753.

Synonyms & Misapplications:
Lamium purpureum L. var. purpureum
Additional Resources:

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

WA Flora Checklist: Lamium purpureum checklist entry.

E-Flora BC: Lamium purpureum atlas page.

CalPhotos: Lamium purpureum photos.

USDA Plants: Lamium purpureum information.

20 photographs:
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