''Galeopsis'', commonly called hemp-nettle or hempnettle, is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

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herbaceous Herbaceous plants are vascular plants that have no persistent woody stems above ground. This broad category of plants includes many perennials, and nearly all annuals and biennials. Definitions of "herb" and "herbaceous" The fourth edition o ...

plants native to

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and

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. Some species are naturalized in

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and

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.Kew World Checklist of Selected Plant Families
/ref> The plants are poisonous. Several species are widespread weeds and some are used as medicinal herbs.

Species

Species include: # ''Galeopsis × acuminata'' Rchb. - Germany ''(G. pubescens × G. tetrahit)'' # ''

Galeopsis bifida ''Galeopsis bifida'' is an annual plant native to Europe and Asia but now found in Canada and the northeastern, midwestern parts of the United States. It has many common names such as bifid hemp-nettle, split-lip hemp-nettle, common hemp-nettl ...

'' Boenn. – bifid hemp-nettle, split-lip hemp-nettle, splitlip hempnettle, common hemp-nettle, and large-flowered hemp-nettle - widespread across much of Europe and Asia; naturalized in North America # ''Galeopsis × carinthiaca'' Porsch ex Fiori - Italy, Czech Republic ''(G. bifida × G. pubescens)'' # ''Galeopsis × haussknechtii'' Ludw. - Czech Republic ''(G. ladanum × G. segetum)'' # ''

Galeopsis ladanum ''Galeopsis ladanum'' is a species of flowering plant belonging to the family Lamiaceae The Lamiaceae ( ) or Labiatae are a family of flowering plants commonly known as the mint, deadnettle or sage family. Many of the plants are aromatic in ...

'' L. - widespread across much of Europe and Asia; naturalized in scattered sites in North America # ''Galeopsis × ludwigii'' Hausskn. - Germany, Czech Republic ''(G. bifida × G. tetrahit)'' # ''Galeopsis nana'' Otsch. - Caucasus (Georgia, Armenia, Azerbaijan) # ''Galeopsis × polychroma'' Beck - Austria, Italy, Czech Republic, Baltic Republics ''(G. pubescens × G. speciosa)'' # ''

Galeopsis pubescens ''Galeopsis pubescens'', also known as the hairy and downy hempnettle, is a herbaceous annual plant species in the family Lamiaceae, that can be found growing in various European countries. Taxonomy ''Galeopsis pubescens'' was for the first ti ...

'' Besser – hairy or downy hempnettle - southern + central Europe from Britain and France east to Russia # ''Galeopsis pyrenaica'' Bartl. - Pyrenees Mountains of Spain + France # ''Galeopsis reuteri'' Rchb.f. - Alps of France + Italy # ''

Galeopsis segetum ''Galeopsis segetum'', commonly known as downy hemp-nettle, is a species of flowering plant in the sage family, Lamiaceae. It grows as a weed in arable ground throughout Europe. Although superficially resembling the stinging nettle ...

'' Neck. – downy hemp-nettle - Britain, Denmark, Netherlands, Belgium, France, Spain, Germany, Italy, Switzerland, Yugoslavia # ''

Galeopsis speciosa ''Galeopsis speciosa'', the large-flowered hemp-nettle or Edmonton hempnettle, is a species of annual herbaceous plants in the family Lamiaceae The Lamiaceae ( ) or Labiatae are a family of flowering plants commonly known as the mint, deadn ...

'' Mill. – large-flowered hemp-nettle, Edmonton hempnettle - northern + central Europe, Siberia; naturalized in Canada # ''

Galeopsis tetrahit ''Galeopsis tetrahit'', the common hemp-nettle or brittlestem hempnettle, is a flowering plant in the family Lamiaceae, native to Europe and northwestern Asia. It is a herbaceous annual plant growing to 1 m tall; it is a pioneer species and th ...

'' L. – common hemp-nettle, brittlestem hempnettle - southern + central Europe from Portugal to Russia; naturalized in New Zealand and North America # ''Galeopsis × wirtgenii'' F.Ludw. ex Briq. - France, Czech Republic

References

Lamiaceae genera Medicinal plants Taxa named by Carl Linnaeus {{Lamiaceae-stub