An annual, possibly sometimes biennial, herb, occurring in damp, usually shaded habitats such as at the foot of walls and on old rockeries. Setting abundant seed, the plant reproduces readily and can become a weed in gardens and nurseries. Lowland.
This species was introduced into cultivation in 1880 and was known from the wild by 1908. It appears to be increasing, at least in England. Most records are of var. huetiana, though var. cymbalaria has also been claimed.
Native of S.W. Asia (N. Turkey, Caucasus and N.W. Iran) with outlying localities in N. Africa and Europe, where it is only native in one locality, in Romania.
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.