Abstract The hydrodistilled essential oil obtained by steam distillation of the aerial parts of Teucrium stocksianum Boiss., collected in the United Arab Emirates, was analyzed by GC and GC/MS. Forty-one components were identified, but the major compounds were α-cadinol (12.0â14.6%) and δ-cadinene (12.4â13.8%). Key Word Index: Teucrium stocksianum Labiateaeessential oil compositionα-cadinolδ-cadinene