Galeopsis

Galeopsis
Galeopsis tetrahit, common hemp-nettle
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Lamiales
Family:	Lamiaceae
Subfamily:	Lamioideae
Genus:	Galeopsis L.
Synonyms [1]
TetrahitAdans. LadanumGilib. TetraithBubani DalanumDostál LadanellaPouzar & Slavíková

Galeopsis is a genus of annual herbaceous plants native to Europe and Asia. Members of this genus often have common names ending in hemp-nettle or hempnettle. ^[2] Some species are naturalized in North America and New Zealand. ^{[1] [3] [4] [5]}

The plants are poisonous. ^[6] Several species are widespread weeds ^[2] and some are used as medicinal herbs. ^{[7] [8]}

Species

Species include: ^[1]

• Galeopsis × acuminataRchb. - Germany (G. pubescens × G. tetrahit)
• Galeopsis bifida 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 × carinthiacaPorsch ex Fiori - Italy, Czech Republic (G. bifida × G. pubescens)
• Galeopsis × haussknechtiiLudw. - Czech Republic (G. ladanum × G. segetum)
• Galeopsis ladanum L. - widespread across much of Europe and Asia; naturalized in scattered sites in North America
• Galeopsis × ludwigiiHausskn. - Germany, Czech Republic (G. bifida × G. tetrahit)
• Galeopsis nana Otsch. - Caucasus (Georgia, Armenia, Azerbaijan)
• Galeopsis × polychromaBeck - Austria, Italy, Czech Republic, Baltic Republics (G. pubescens × G. speciosa)
• Galeopsis pubescens 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 Neck. – downy hemp-nettle - Britain, Denmark, Netherlands, Belgium, France, Spain, Germany, Italy, Switzerland, Yugoslavia
• Galeopsis speciosa Mill. – large-flowered hemp-nettle, Edmonton hempnettle - northern & central Europe, Siberia; naturalized in Canada
• Galeopsis tetrahit L. – common hemp-nettle, brittlestem hempnettle - southern & central Europe from Portugal to Russia; naturalized in New Zealand and North America
• Galeopsis × wirtgeniiF.Ludw. ex Briq. - France, Czech Republic

References

1. Kew World Checklist of Selected Plant Families
2. "USDA PLANTS".
3. Flora of China Vol. 17 Page 156 鼬瓣花属 you ban hua shu Galeopsis Linnaeus, Sp. Pl. 2: 579. 1753.
4. Altervista Flora Italiana, Genere Galeopsis includes photos and descriptions plus distribution maps for Italy, Europe, and North America
5. Biota of North America Program 2013 county distribution maps
6. "Plants for a Future: Galeopsis".
7. "Plants for a Future: Galeopsissegetum".
8. "Plants for a Future: Galeopsistetrahit".