Lepidium heterophyllum

Tracheophyta MagnoliopsidaCruciferaeLepidiumLepidium heterophyllum

Ecology

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).

Status

Native

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

Height (cm): 50

Perennation - primary

Biennial, including monocarpic perennials

Perennation - secondary

Perennial

Life Form - primary

Hemicryptophyte

Woodiness

Herbaceous

Clonality - primary

Little or no vegetative spread

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%)

29

JNCC Designations

NBNSYS0000002830