The genetics of flower colour was studied in two subspecies of Viola calaminaria. One major gene could account for the “yellow-blue” phenotype, if we assume that inheritance is tetrasomic. The implications for the origin of the two subspecies are discussed.

Acta botanica neerlandica

CC BY 3.0 NL ("Naamsvermelding")

Koninklijke Nederlandse Botanische Vereniging

P. Kakes, & K. Everards. (1976). Genecological investigations on zinc plants. I. Genetics of flower colour in crosses between Viola calaminaria Lej. and its subspecies westfalica (Lej.) Ernst. Acta botanica neerlandica, 25(1), 31–40.