Cardamine hirsuta

Tracheophyta MagnoliopsidaCruciferaeCardamineCardamine hirsuta

Ecology

A winter-annual which, under favourable conditions, can flower and seed again in autumn. C. hirsuta is particularly common as a weed of cultivation and in other ruderal habitats, but it also grows on rock outcrops, by streams and in woods. 0-1190 m (Breadalbanes, Mid Perth).

Status

Native

World Distribution

Eurosiberian Southern-temperate element, but widely naturalised so that distribution is now Circumpolar Southern-temperate.

© G. Toone, IWNHAS

Broad Habitats

Inland rock (quarries, cliffs, screes)

Light (Ellenberg): 8

Moisture (Ellenberg): 5

Reaction (Ellenberg): 6

Nitrogen (Ellenberg): 6

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.6

July Mean Temperature (Celsius): 14.6

Annual Precipitation (mm): 1070

Height (cm): 30

Perennation - primary

Annual

Life Form - primary

Therophyte (annual land plant)

Woodiness

Herbaceous

Clonality - primary

Little or no vegetative spread

Count of 10km squares in Great Britain: 2519

Count of 10km squares in Ireland: 791

Count of 10km squares in the Channel Isles: 14

Atlas Change Index: 0.69

Weighted Changed Factor: 27

Weighted Change Factor Confidence (90%)

26

JNCC Designations

NBNSYS0000002876