The descriptive text, below the map, is from the Cornish Red Data Book (2009). The map on this web page depicts the organisms distribution and shows the records made pre-2000 and those made since.
Range & Status
Neophyte; European Southern-temperate species. Scattered distribution across the
southern half of Britain and Ireland.
A small population persists along a single road hedge at Kenidjack Farm in Penwith
(SW33). It has been recorded from that area since 1872. In total it has been found in
seven 1km squares, all in West Cornwall.
Habitat & Ecology
A perennial herb of walls and dry banks.
The remaining site is not protected.
I.J. Bennallick, S. Board, C.N. French, P.A. Gainey, C. Neil, R. Parslow, A. Spalding and P.E. Tompsett. eds. 2009. Red Data Book for Cornwall and the Isles of Scilly. 2nd Edition.Croceago Press.
The Cornish Red Data Book Project was led by the Cornwall and Isles of Scilly Federation for Biological Recorders (CISFBR). The full text and species accounts (minus the maps) are available on the CISFBR website.