The chromosomes of both species have centromeric C-bands. When compared, prominent bands at the ends of the short arms on 4 chromosomes of V. cracca subsp. cracca were observed, while in V. bithynica only 1 chromosome had a prominent band at the end of the long arm. | Giemsa C-banded karyotypes of Vicia cracca L. subsp. cracca and V. bithynica L.