Noun catharanthus roseus has 1 sense
  1. periwinkle, rose periwinkle, Madagascar periwinkle, old maid, Cape periwinkle, red periwinkle, cayenne jasmine, Catharanthus roseus, Vinca rosea - commonly cultivated Old World woody herb having large pinkish to red flowers
    --1 is a kind of herb, herbaceous plant
    --1 is a member of Catharanthus, genus Catharanthus