Porophyllum is a genus of flowering plants in the marigold tribe within the daisy family known commonly as the poreleaf genus. Poreleaf plants are subshrubs native to the Americas. Their leaves often have large glands that produce aromatic oils and give the plants a strong scent. Many species are used in cooking. see Gynura \n* Porophyllum japonicum (Thunb.) DC. - Gynura japonica (Thunb.) Juel