E. J. Jäger, Rothmaler, Exkursionsflora von Deutschland, Gefäßpflanzen: Grundband, ed. 20. 2011R. D. Meikle, Flora of Cyprus 1. 1977T. G. Tutin, N. A. Burges, A. O. Chater, J. R. Edmondson, V. H. Heywood, D. M. Moore, D. H. Valentine, S. M. Walters & D. A. Webb, Flora Europaea 1, ed. 2. 1993
but modified
1Flowers in small axillary clusters; siliques curved or falcate
1'Flowers in elongate, leafless terminal racemes; siliques straight or slightly curved
2Siliques 1.1-1.8 cm long, erect, and adpressed to rhachis
2'Siliques 3-10 cm long; erecto-patent or spreading
3Pedicels thinner than the siliques; siliques 3-5(-6) cm long
3'Pedicels about as thick as the siliques; siliques (3.5-)5-10 cm long
4Stem hispid at the base (hairs up to 3 mm long); upper leaves sessile; sepals patent (in fruiting plant)
4'Stem softly grey-pubescent (hairs up to 1 mm long); upper leaves petiolate; sepals erect (in fruiting plant)