abstract the volatile constituents of tanacetum balsamita l. ssp. balsamitoides (schultz-bip.) grierson were isolated by hydrodistillation and analyzed by gc and gc/ms. the major constituents of the leaf oil were bornyl acetate (47.7%), pinocarvone (27.1%), camphor (9.3%) and terpinolene (5.4%), while the fower oil contained bornyl acetate (55.2%), pinocarvone (34.2%), camphor (2.8%) and terpinolene (2.0%) and the stem oil contained bornyl actate (49.2%), pinocarvone (28%), camphor (9.5%) and terpinolene (6%).