This procumbent, calcifugous dwarf shrub is found on exposed, stony mountain heaths on dry ridges and plateaux. Reproduction is mainly by seed, but it also spreads by rooting of the procumbent stems. Generally found from 500 to 900 m, but descends to 240 m on Ronas Hill (Shetland) and reaches 1100 m on Ben Macdui (S. Aberdeen).
The distribution of L. procumbens is essentially stable, and it is probably still extant in many of the 10-km squares for which there are no recent records.
Circumpolar Arctic-montane element, with a disjunct distribution.
Light (Ellenberg): 9
Moisture (Ellenberg): 5
Reaction (Ellenberg): 2
Nitrogen (Ellenberg): 2
Salt Tolerance (Ellenberg): 0
January Mean Temperature (Celsius): 0.9
July Mean Temperature (Celsius): 11.4
Annual Precipitation (mm): 1994
Count of 10km squares in Great Britain: 182
Count of 10km squares in Ireland: 0
Count of 10km squares in the Channel Isles: 0
Atlas Change Index: -0.58
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.