A perennial herb with creeping roots found naturalised on waste ground, beside roads and rivers, and in meadows. It is probably introduced with grain. It is self-incompatible and seed-set is poor; it probably spreads mostly through root fragments. Lowland.
This species was recorded from the wild in Britain by at least 1905 and appears to be more frequent now.
Native of C. & E. Europe and W. Asia; widely naturalised outside its native range in Europe and N. America.
Atlas Change Index: 0
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.