Picris echioides

Tracheophyta MagnoliopsidaAsteraceaePicrisPicris echioides

Ecology

An annual or biennial herb of open grassland, roadsides, field margins, cliffs and scree slopes, river banks, sea walls and waste places, especially on lime-rich clay soils. Lowland.

Status

Archaeophyte

World Distribution

As an archaeophyte P. echioides has a European Southern-temperate distribution; it is widely naturalised outside this range.

Broad Habitats

Light (Ellenberg): 7

Moisture (Ellenberg): 5

Reaction (Ellenberg): 7

Nitrogen (Ellenberg): 6

0

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.9

July Mean Temperature (Celsius): 15.9

Annual Precipitation (mm): 795

Life form information

Height (cm): 80

Perennation - primary

Annual

Perennation - secondary

Biennial, including monocarpic perennials

Life Form - primary

Therophyte (annual land plant)

Life Form - secondary

Hemicryptophyte

Comment on Life Form

The books say annual or biennial

Woodiness

Herbaceous

Clonality - primary

Little or no vegetative spread

Distribution information

Count of 10km squares in Great Britain: 1191

Count of 10km squares in Ireland: 25

Count of 10km squares in the Channel Isles: 10

Atlas Change Index: 0.77

Weighted Changed Factor: 44

Weighted Change Factor Confidence (90%)

11

Distribution information

JNCC Designations

NBNSYS0000004525

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 (295b)
Vergleichende Chorologie der zentraleuropäischen Flora. Volume 3. 2 vols,
Meusel, H., and Jäger E. J.
, Jena, (1992)