Lamium amplexicaule L.

Dead Nettle

Sp. Pl. 579 (1753) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Introduced

Annual herb; stems glabrescent or with scattered decurved hairs. Leaves broadly ovate, 7–20 mm long, 10–25 mm wide, surfaces pilose, apex obtuse to rounded, base cordate to truncate, margin crenate and/or lobed; lower leaves petiole 1–5 cm long, upper leaves sessile and usually stem-clasping. Lower internodes of inflorescence usually distant, upper internodes very short, sometimes obscured; flowers mostly 1–5 per bract. Calyx 10–15-veined, 5–7 mm long, densely hairy, lobes 3–4.5 mm long; corolla (6–)14–20 mm long, pale pink to rose-coloured, usually spotted darker, pubescent outside, tube much longer than calyx, corolla-lips shorter than tube, median lobe of abaxial lip lobe narrowly spathulate, lateral lobes broad and scarcely distinct, upper lip entire. Flowers Jul.–Nov.

*EGU, *GipP, *Gold, *GGr, *LoM, *MuF, *MuM, *MSB, *NIS, *RobP, *VRiv, *VVP, *Wim. A common weed of cultivated, usually irrigated, areas of the north-west of the State.

A cause of 'staggers' in stock if consumed in quantity.

Apparently cleistogamous plants with corollas not exceeding calyces (formerly referred to var. clandestinum) occur through the range of the species (both here and in its countries of origin).

Created by: Andre Messina, 2017-01-30
Updated by: Val Stajsic, 2022-02-23
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Asteranae
order Lamiales
family Lamiaceae
genus Lamium
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Lamium amplexicaule in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Lamium amplexicaule in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Lowan Mallee present introduced
Murray Mallee present introduced
Wimmera present introduced
Victorian Volcanic Plain present introduced
Victorian Riverina present introduced
Murray Scroll Belt present introduced
Robinvale Plains present introduced
Murray Fans present introduced
Gippsland Plain present introduced
Goldfields present introduced
Greater Grampians present introduced
Northern Inland Slopes present introduced
East Gippsland Uplands present introduced

State distribution

Distribution map
Western Australia
Northern Territory
South Australia
New South Wales
Australian Capital Territory