E-Flora BC: Electronic Atlas of the Flora of British Columbia

Lamium amplexicaule L.
common dead-nettle (henbit deadnettle; henbit dead-nettle)
Lamiaceae (Mint family)

Introduction to Vascular Plants

© Virginia Skilton  Email the photographer   (Photo ID #13026)

E-Flora BC Static Map
Distribution of Lamium amplexicaule
Click here to view the full interactive map and legend
Details about map content are available here
New! Click on the map dots to view record details.

Species Information

Click on the image below to view an expanded illustration for this species.



General:
Annual herb from a short taproot; stems slender, weak, ascending or reclining with tips ascending, 10-40 cm long, generally branched from the base, glabrous to inconspicuously hairy, 4-angled.
Leaves:
Opposite, rounded to egg- or heart-shaped, 1-2 cm long, 1-3 cm wide, margins coarsely blunt-toothed or with small lobes, hairy on upper surface; lower leaves stalked, upper leaves unstalked and clasping.
Flowers:
Inflorescence of several well-spaced flower clusters in axils of leaf-like bracts, the bracts unstalked, usually wider than long; corollas tubular, purplish, 12-18 mm long, glabrous inside, hairy outside, strongly 2-lipped, the upper corolla lip erect, oval, hood-like, hairy, 3-5 mm long, the middle lobe of lower corolla lip spotted, the lateral lobes very small, represented by a short tooth; calyces 5-8 mm long, 5-veined, the teeth narrow and erect with pointed tips, about the length of the tube, hairy; occasional plants produce small, unopened flowers.
Fruits:
Nutlets, 4 clustered together, three-angled, squared-off at tips.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry waste places and grassy fields in the lowland to montane zones; frequent in SW BC, rare northward and eastward; introduced from Eurasia.

Source: The Illustrated Flora of British Columbia

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Lamium amplexicaule var. album A.L. Pickens & M.C. Pickens

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References