Page authors: Ben Legler, David Giblin
Lamium amplexicaule
common dead-nettle, giraffehead

Distribution: Both sides of the Cascades in Washington; introduced and widespread in North America; Eurasia and North Africa.

Habitat: Weed in distrurbed areas, fields, lawns.

Flowers: April-July

Origin: Introduced from Eurasia

Growth Duration: Annual, Biennial

Conservation Status: Not of concern

Pollination: Bumblebees, bees


Annual herb with basally branching stems to about 40 cm tall.


Opposite, simple, cordate with coarse teeth; lower leaves with petioles, upper leaves sessile.


Pink to purple, tubular, to 18 mm long with 5 irregular lobes at tip; in clusters in upper leaf axils


4 small nutlets per flower.

Identification Notes:

Look for the square stems, opposite leaves that become sessile above, and pinkish-purple flowers in small clusters in upper leaf axils. See also Lamium purpureum.

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

Synonyms & Misapplications:
(none provided)
Additional Resources:

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

WA Flora Checklist: Lamium amplexicaule checklist entry.

OregonFlora: Lamium amplexicaule information.

E-Flora BC: Lamium amplexicaule atlas page.

CalPhotos: Lamium amplexicaule photos.

USDA Plants: Lamium amplexicaule information.

23 photographs:
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