Abstract The water distilled essential oil from the aerial parts of Teucrium melissoides Boiss. et Hausskn. ex Boiss. was analyzed by GC/MS. Fifteen compounds were identified constituting 97% of the oil. The major components were Î±-pinene (27.7%), Î²-pinene (16.4%), limonene (12.4%), germacrene D (10.2%) and Î²-caryophyllene (8.9%).