Abstract The oils from aerial parts of Hyptis conferta var. conferta and H. conferta var. angustata were analyzed by GC/MS. The major constituents of H. conferta var. conferta oil were T-cadinol (24.4%), α-bisabolol (18.7%) and germacrene D (16.7%), while the oil of H. conferta var. angustata contained β-pinene (33.5%) and β-caryophyllene (10.8%) as main components. Key Word Index: Hyptis conferta var. conferta Hyptis conferta var. angustata Lamiaceaeessential oil compositionT-cadinolα-bisabololgermacrene Dβ-pineneβ-caryophyllene