Plantae > Tracheophyta > Magnoliopsida > Lamiales > Lamiaceae > Galeopsis > Galeopsis tetrahit

Galeopsis tetrahit (brittle-stem hemp-nettle; brittlestem hempnettle; bristlestem hempnettle)


Wikipedia Abstract

Galeopsis tetrahit (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 thrives on disturbed sites or roadsides. The plant looks like mint but is taller. The stems have reflexed hairs and swollen nodes. In cross section, the stem is square. The leaves are rhombic to elliptic, with coarsely to bluntly serrate edges. The flowers are multicoloured, with purple, pink, or white areas; diminutive, bilateral and snapdragon-like, and are mostly visited by bumblebees.
View Wikipedia Record: Galeopsis tetrahit


Bee Flower Color [1]  Blue-Green
Flower Type [2]  Hermaphrodite
Hazards [2]  The plant is poisonous, causing paralysis;
Lifespan [2]  Annual
Pollinators [2]  Bats
Structure [4]  Herb
Usage [2]  A drying oil is obtained from the seed. It is used as a polish for leather; A fibre is obtained from the stems, it is used for making cord;
Height [2]  39 inches (1 m)
Light Preference [3]  Mostly Sunny
Soil Acidity [3]  Moderate Acid
Soil Fertility [3]  Intermediate
Soil Moisture [3]  Moist
View Plants For A Future Record : Galeopsis tetrahit

Protected Areas





Parasitized by 
Neoerysiphe galeopsidis[5]
Phyllosticta galeopsidis <Unverified Name>[5]

Institutions (Zoos, etc.)

Institution Infraspecies / Breed 
Svalbard Global Seed Vault


North America;

External References

USDA Plant Profile



Attributes / relations provided by
1Arnold SEJ, Faruq S, Savolainen V, McOwan PW, Chittka L, 2010 FReD: The Floral Reflectance Database — A Web Portal for Analyses of Flower Colour. PLoS ONE 5(12): e14287.
2Plants For A Future licensed under a Creative Commons License
3ECOFACT 2a Technical Annex - Ellenberg’s indicator values for British Plants, M O Hill, J O Mountford, D B Roy & R G H Bunce (1999)
4Kattge, J. et al. (2011b) TRY - a global database of plant traits Global Change Biology 17:2905-2935
5Ecology of Commanster
6Biological Records Centre Database of Insects and their Food Plants
7Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
Protected Areas provided by Biological Inventories of the World's Protected Areas in cooperation between the Information Center for the Environment at the University of California, Davis and numerous collaborators.
GBIF Global Biodiversity Information Facility
Abstract provided by DBpedia licensed under a Creative Commons License