Fumaria muralis subsp. boraei

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1964, Flora Europaea - Volume 1. Lycopodiaceae to Platanaceae, Cambridge University Press : 257

(b) Subsp. boraei (Jordan) Pugsley, Jour. Bot. (London) 40: 180 (1902):

Plant slender or robust; raceme less than 15-flowered; sepals dentate; corolla 10-12 mm; fruit 2-25-2- 5 x 2 mm, more or less obovoid, often obscurely rugulose when dry; apex obtuse. Throughout the range of the species.