Herbal Medicine Taxonomy < Back to Herbal Medicine Home ∧ Order: Gentianales Direct Descendents of family Apocynaceae ∨ genus: Alstonia ∨ genus: Apocynum ∨ genus: Asclepias ∨ genus: Aspidosperma ∨ genus: Carissa ∨ genus: Catharanthus ∨ genus: Cerbera ∨ genus: Gymnema ∨ genus: Hemidesmus ∨ genus: Holarrhena ∨ genus: Marsdenia ∨ genus: Nerium ∨ genus: Rauvolfia ∨ genus: Strophanthus ∨ genus: Vinca