Lepidium heterophyllum

Tracheophyta MagnoliopsidaCruciferaeLepidiumLepidium heterophyllum


A perennial, or rarely biennial, herb of acidic soils in dry heathy and gravelly places. It is also frequent on shingle, railway ballast and embankments, and, less commonly, in arable fields. It is tolerant of grazing. Generally lowland, but reaching 425 m (Sow of Atholl, E. Perth).



World Distribution

Oceanic Southern-temperate element.

Broad Habitats

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

Light (Ellenberg): 7

Moisture (Ellenberg): 4

Reaction (Ellenberg): 5

Nitrogen (Ellenberg): 4


Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.8

July Mean Temperature (Celsius): 14.7

Annual Precipitation (mm): 1074

Life form information

Height (cm): 50

Perennation - primary

Biennial, including monocarpic perennials

Perennation - secondary


Life Form - primary




Clonality - primary

Little or no vegetative spread

Distribution information

Count of 10km squares in Great Britain: 1133

Count of 10km squares in Ireland: 296

Count of 10km squares in the Channel Isles: 11

Atlas Change Index: -0.51

Weighted Changed Factor: -7

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