Crepis capillaris

Tracheophyta MagnoliopsidaAsteraceaeCrepisCrepis capillaris

Ecology

This morphologically variable winter-green annual is an early colonist of open ground, found in thin grassland, on road verges, lawns, spoil heaps, rocky banks and other open habitats. It is a poor competitor in closed vegetation. 0-445 m (Clun Forest, Salop).

Status

Native

World Distribution

European Temperate element; widely naturalised outside its native range.

Broad Habitats

Calcareous grassland (includes lowland and montane types)

Light (Ellenberg): 7

Moisture (Ellenberg): 4

Reaction (Ellenberg): 7

Nitrogen (Ellenberg): 4

0

Salt Tolerance (Ellenberg): 0

January Mean Temperature (Celsius): 3.6

July Mean Temperature (Celsius): 14.6

Annual Precipitation (mm): 1074

Life form information

Height (cm): 75

Perennation - primary

Annual

Perennation - secondary

Biennial, including monocarpic perennials

Life Form - primary

Therophyte (annual land plant)

Life Form - secondary

Hemicryptophyte

Comment on Life Form

Authors differ as to whether mainly annual or biennial; CTW say usually annual

Woodiness

Herbaceous

Clonality - primary

Little or no vegetative spread

Distribution information

Count of 10km squares in Great Britain: 2525

Count of 10km squares in Ireland: 907

Count of 10km squares in the Channel Isles: 14

Atlas Change Index: -0.17

Weighted Changed Factor: 5

Weighted Change Factor Confidence (90%)

20

Distribution information

JNCC Designations

NBNSYS0000004576

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 (300a)
Grime JP, Hodgson JG, Hunt R
1988.  Comparative Plant Ecology.
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.