abstract the essential oils obtained by hydrodistillation from the leaves and flowers of anvillea garcini (burm.) dc. growing wild in the southern region of iran (near the persian gulf) were investigated by gc and gc/ms. the major constituents of the leaf oil were -pinene (16.1%), limonene (12.9%) and sabinene (12.5%). the flower oil was found to contain bornyl acetate (41.5%), camphene (12.4%) sabinene (8.3%), -pinene (7.5%) and limonene (6.5%) as the major constituents. antimicrobial activity was carried out using the well diffusion method. minimal inhibitory concentration (mic) values ranging 2.5-10 mg/ml.