Summary ⁷

Lamium amplexicaule (henbit deadnettle, greater henbit) is a species of Lamium native to Europe, western Asia and northern Africa.

Description ⁸

Herbs annual or biennial. Stems to 30 cm, much branched at base, ascending, subglabrous. Upper leaves sessile; petiole of basal leaves at least as long as blade; leaf blade circular to reniform, 1-2 × 0.7-1.5 cm, sparsely strigose, base truncate to broadly truncate-cuneate, semi-clasping, margin deeply crenate to almost palmately lobed, apex rounded. Verticillasters 6-10-flowered; bracts ca. 4 × 0.3 mm, ciliate. Calyx tubular-campanulate, 4-5 × 1.7-2 mm, densely villous, glabrous except for white villous apically inside; teeth lanceolate-subulate, 1.5-2 mm, margin ciliate. Corolla purple-red or reddish, ca. 1.7 cm, puberulent; tube ca. 1.3 cm, throat ca. 3 mm wide, annulus absent; upper lip densely purple-red pubescent on outside, straight, oblong, ca. 4 mm, apex slightly curved; lower lip slightly longer; middle lobe obcordate, 2-lobulate. Filaments glabrous; anthers hirsute. Nutlets grayish yellow, obovoid, triquetrous, constricted at base, ca. 2 × 1 mm, white tuberculate. Fl. Mar-May, fr. Jul-Aug.

Sources and Credits

1. (c) Salomé, some rights reserved (CC BY-NC-SA), http://www.flickr.com/photos/79667341@N00/1677082372
2. (c) Ondřej Zicha, some rights reserved (CC BY-NC), https://www.biolib.cz/IMG/GAL/15818.jpg
3. (c) Ondřej Zicha, some rights reserved (CC BY-NC), https://www.biolib.cz/IMG/GAL/15869.jpg
4. Jan Ševčík, no known copyright restrictions (public domain), https://www.biolib.cz/IMG/GAL/91885.jpg
5. Jan Ševčík, no known copyright restrictions (public domain), https://www.biolib.cz/IMG/GAL/91886.jpg
6. (c) 2005 Luigi Rignanese, some rights reserved (CC BY-NC), http://calphotos.berkeley.edu/cgi/img_query?seq_num=166761&one=T
7. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Lamium_amplexicaule
8. (c) Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA, some rights reserved (CC BY-NC-SA), http://eol.org/data_objects/4985184

More Info

• iNat taxon page
• African Plants - a photo guide
• Atlas of Living Australia
• Biodiversity Heritage Library
• BOLD Systems BIN search
• Calflora
• CalPhotos
• Catalogo de Plantas y Líquenes de Colombia
• eFloras.org
• Flora Digital de Portugal
• Flora of North America (beta)
• Global Biodiversity Information Facility (GBIF)
• Go Botany
• HOSTS - a Database of the World's Lepidopteran Hostplants
• IPNI (with links to POWO, WFO, and BHL)
• Jepson eFlora
• Maryland Biodiversity Project
• NatureServe Explorer 2.0
• NBN Atlas
• New Zealand Plant Conservation Network
• OregonFlora.org
• SEINet Symbiota portals
• Tropicos
• USDA PLANTS database
• VASCAN by Canadensys
• World Flora Online
• 日本のレッドデータ検索システム
• 植物和名−学名インデックス YList

Range Map

(c) Discover Life and original sources, some rights reserved (CC-BY-NC-SA)

iNat Map