Galeopsis speciosa

Tracheophyta MagnoliopsidaLamiaceaeGaleopsisGaleopsis speciosa


An annual weed of cultivated, marginal and waste ground, often within root-crops (especially potatoes) on peaty soils. 0-445 m (Clun Forest, Salop).



World Distribution

As an archaeophyte G. speciosa has a Eurosiberian Boreo-temperate distribution; it is widely naturalised outside this range.

Broad Habitats

Arable and horticultural (includes orchards, excludes domestic gardens)

Light (Ellenberg): 7

Moisture (Ellenberg): 5

Reaction (Ellenberg): 7

Nitrogen (Ellenberg): 7


Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.1

July Mean Temperature (Celsius): 14.5

Annual Precipitation (mm): 1043

Life form information

Height (cm): 100

Perennation - primary


Life Form - primary

Therophyte (annual land plant)



Clonality - primary

Little or no vegetative spread

Distribution information

Count of 10km squares in Great Britain: 999

Count of 10km squares in Ireland: 84

Count of 10km squares in the Channel Isles: 0

Atlas Change Index: -1.82

Weighted Changed Factor: -43

Weighted Change Factor Confidence (90%)


Distribution information

JNCC Designations


PLANTATT - Attributes of British and Irish plants. (.zip 1455KB) This dataset was compiled and published in 2004, and last updated in November 2008. Download includes an Excel spreadsheet of the attributes, and a PDF explaining the background and nomenclature. Note that the PDF version is the booklet as published, whereas the Excel spreadsheet incorporates subsequent corrections. A hardcopy can be purchased from the Centre for Ecology and Hydrology.

Atlas text references

Atlas (250d)
Hultén E, Fries M
1986.  Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Meusel H, Jäger E, Rauschert S, Weinert E
1978.  Vergleichende Chorologie der zentraleuropäischen Flora. Volume 2. 2 vols.