This Photography photo contains
camellia, camelia, large periwinkle, vinca major, periwinkle, rose periwinkle, madagascar periwinkle, old maid, cape periwinkle, red periwinkle, cayenne jasmine, catharanthus roseus, and vinca rosea.
There might also be
poinsettia, christmas star, christmas flower, lobster plant, mexican flameleaf, painted leaf, and euphorbia pulcherrima.