Abstract The chemical composition of steam distilled oil of Erichtites hieracifolia was examined by GC/MS. The main compounds were found to be α-phellandrene (41.2%), p-cymene (22.1%), β-caryophyllene (7.%), camphor (5.4%), cis-ascaridole (10.0%) and α-phellandrene epoxide (1.0%). Key Word Index: Erichtites hieracifolia Compositaeessential oil compositionα-phellandrenep-cymenecis-ascaridoleα-phellandrene epoxide