It is a pigment found in the flowers of Catharanthus roseus and , in lower concentration , in Primula rosea .
Rosinidin is an O - methylated anthocyanidin derived from Cyanidin .
Rosinidin is a anthocyanidin found in the flowers of Catharanthus roseus and , in lower concentration , in Primula rosea .
Rosinidin is an O - methylated anthocyanidin derived from Cyanidin .