Arabis sagittata, (Bertol.) DC.

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 : 291-292

6. A. sagittata (Bertol.) DC. in Lam. & DC., Fl. Fr. ed. 3, 5: 592 (1815).

Biennial 35-80 cm, branched above; lower part of the stem with mostly patent unbranched hairs, upper part glabrous. Cauline leaves 15-30, cordate to sagittate with spreading auricles, pubescent with simple or 2-fid hairs. Petals 5-6-5 mm. Siliqua 25-50 x 0-8-1 - 1 mm, erect; pedicels 4-6 mm; valves with a distinct median vein; style c. 0- 5 mm, obconical, or stigma sessile. Seed narrowly winged, at least at apex. 2« = 16. Dry calcareous slopes. C. & S. Europe. Al Au?Be Co Cz Ga Ge Gr He Ho Hs Hu It Ju Lu Rm Rs (N, B, C, K, E) Sa Si.

The hybrid between this species and 8 is sterile.

A. lusitanica Boiss. , Diagn. Pl. Or. Nov. 3 (1): 20 (1853), from Portugal is like 6 but is smaller, sparsely hairy, with small, mostly cruciform appressed hairs; inflorescence few-flowered and has 2n = 16. It is perhaps a subspecies of 6.