A rhizomatous perennial herb found as a naturalised garden escape or relic of cultivation in woodland and waste places. Lowland.
C. heptaphylla was cultivated in Britain by 1683, but is not common in gardens. It was first recorded in the wild in 1907 (S. Lincs.).
Native of Europe, from N. Spain to N. France, S.W. Germany and S.W. Italy.
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.
Atlas text references
1988. The flora & vegetation of County Durham.
Jalas & Suominen (1994)
1965. Vergleichende Chorologie der zentraleuropäischen Flora. Volume 1. 2 vols.
1991. Crucifers of Great Britain and Ireland. Botanical Society of the British Isles Handbook no. 6.