Erysimum cuspidatum, (Bieb.) 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 : 274

35. E. cuspidatum (Bieb.) DC. , Reg. Veg. Syst. Nat. 2: 493 (1821)

( Syrenia cuspidata (Bieb.) Reichenb. ; inch Erysimum goniocaulon auct. bulg., E. pulchellum auct. turc.).

Annual or biennial up to 70 cm; hairs nearly all stellate. Lower leaves oblong- or ovate-lanceolate, sinuate-dentate or dentate, green. Pedicels 1-3 mm in flower, up to 5 mm in fruit. Sepals 5-6-5 mm, slightly saccate at base; petals 9-13 x 2-5-3 - 5 mm, pubescent on back; anthers c. 3 mm. Siliqua 10-30 mm, strongly laterally com­ pressed, erect and appressed to the stem, grey with green angles; valves keeled or narrowly winged on the back; style 3-6(-10)mm, c. i as long as the rest of the siliqua. Seeds c. 1 -2 mm. S.E. Europe. AlBu Gr Ju Rm Rs (W, K, E) Tu.

A distinct but much confused species, sometimes included in Syrenia or in a distinct genus of its own. E. tetovense Rohlena , Feddes Repert. 42: 199 (1937), described from Srbija, is probably this species.