A spreading perennial herb with arching stems that root at the tip. It occurs as a naturalised garden escape on grassy banks and roadside verges. Lowland.
V. difformis had been introduced into cultivation in Britain by 1890, and is only occasionally grown in gardens. It was first recorded in the wild in 1984 (Kent, but without locality). Both blue- and white-flowered cultivars have become naturalised.
Native of S.W. Europe, eastwards to Italy, and N.W. Africa.
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.