An early-flowering, low-growing, tufted but shortly rhizomatous herb characteristic of short, unshaded, relatively infertile grassland. It is found in a range of grazed or mown, often trampled, grassy places, particularly pastures, meadows, grassy verges and lawns which are moderately acidic to slightly alkaline. Taller grassland, rocky ledges and slopes, and quarries and spoil heaps are also colonised. 0-1005 m (Carnedd Dafydd, Caerns.).
There has been little change in the distribution of this species since the 1962 Atlas.
European Temperate element.
Light (Ellenberg): 7
Moisture (Ellenberg): 4
Reaction (Ellenberg): 5
Nitrogen (Ellenberg): 2
Salt Tolerance (Ellenberg): 0
January Mean Temperature (Celsius): 3.5
July Mean Temperature (Celsius): 14.5
Annual Precipitation (mm): 1100
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.