abstract essential oils from the leaves and flowers of lantana camara l. var. aculeata were analyzed by gc and gc/ms. thirty-nine and 46 constituents were identified in the leaf and flower oils, respectively. sabinene (19.6-21.5%), 1,8-cineole (12.6-14.8%), -caryophyllene (12.7-13.4%) and -humulene (5.8-6.3%) were the major components of both oils. two rare sesquiterpenoids-humulene epoxide iii and 8-hydroxybicyclogermacrene-were also isolated from the oils.