Bunias is a small genus of two or three species (compare Euro+Med Plantbase with Al-Shehbaz 2010). All are native to southern and eastern Europe and adjacent Asia. The two species treated here are more or less widely naturalised beyond their native distribution range.
- Silicula with 4 longitudinal wings, 10-12 mm long, loculi 4. Petals ca. 8-12 mm long. Annual or biennial. Style 3-5 mm long === 1. Bunias erucago
- Silicula without longitudinal wings, 6-10 mm long, loculi 1-2. Petals ca. 4-8 mm long. Biennial or perennial. Style 0,5-2 mm long === 2. B. orientalis
References
Al-Shehbaz I.A. (2010) Bunias. In: Flora of North America Editorial Committee (eds.), Flora of North America, vol. 7. Oxford University Press, New York-Oxford: 444-445.
Ball P.W. (1993) Bunias. In: Tutin T.G. & al. (eds.), Flora Europaea, vol. 1. (2nd ed.). Cambridge University Press, Cambridge: 325.
Greilhuber J. & Obermayer R. (1993) Cryptopolyploidy in Bunias (Brassicaceae) revisited – A flowcytometric and densitrometic study. Pl. Syst. Evol. 218: 1-4.
Lambinon J., Delvosalle L., Duvigneaud J. (avec coll. Geerinck D., Lebeau J., Schumacker R. & Vannerom H.) (2004) Nouvelle Flore de la Belgique, du Grand-Duché de Luxembourg, du Nord de la France et des Régions voisines (Ptéridophytes et Spermatophytes). Cinquième édition. Jardin botanique national de Belgique, Meise: CXXX + 1167 p.