Arctium lappa

Tracheophyta MagnoliopsidaAsteraceaeArctiumArctium lappa

Ecology

A monocarpic perennial herb of streamsides and river banks, roadside verges, tracks and waysides, field-borders, waste land and other disturbed places. Lowland.

Status

Archaeophyte

World Distribution

As an archaeophyte A. lappa has a Eurosiberian Temperate distribution, but it is widely naturalised so that its distribution is now Circumpolar Temperate.

Broad Habitats

Boundary and linear features (eg hedges, roadsides, walls)

Light (Ellenberg): 9

Moisture (Ellenberg): 5

Reaction (Ellenberg): 7

Nitrogen (Ellenberg): 9

0

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.8

July Mean Temperature (Celsius): 16

Annual Precipitation (mm): 769

Life form information

Height (cm): 150

Perennation - primary

Biennial, including monocarpic perennials

Life Form - primary

Hemicryptophyte

Woodiness

Herbaceous

Clonality - primary

Little or no vegetative spread

Distribution information

Count of 10km squares in Great Britain: 971

Count of 10km squares in Ireland: 4

Count of 10km squares in the Channel Isles: 1

Atlas Change Index: 0.51

Weighted Changed Factor: 7

Weighted Change Factor Confidence (90%)

22

Distribution information

JNCC Designations

NBNSYS0000004480

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 (287a)
Gross RS, Werner PA, Hawthorn WR
1980.  The biology of Canadian weeds. 38. Arctium minus (Hill) Bernh. and A. lappa L. Canadian Journal of Plant Science. 60:621-634.
Hultén E, Fries M
1986.  Atlas of north European vascular plants north of the Tropic of Cancer. 3 vols.
Meusel H, Jäger EJ
1992.  Vergleichende Chorologie der zentraleuropäischen Flora. Volume 3. 2 vols.
Perring FH
1960.  Report on the survey of Arctium L. agg. in Britain, 1959. Proceedings of the Botanical Society of the British Isles. 4:33-37.