In this study, Lavandula stoechas L. subsp. stoechas which is plant with economic and medicinal importance has comparatively been examined morphologically, anatomically and chemically. A detailed description of the species has been prepared and compared with those published in the Flora of Turkey of Davis in tabular form. The taxonomical, morphological and anatomical characteristics of the plant material have been described and illustrated with drawings. General appearance of leaves, branches, flowers, calyx, corolla and fruit shapes are described. Herbaceous and woody stem and leaves of the L. stoechas subsp. stoechas samples collected from Muğla, Ula, Portakallık were examined. Analyses of the hydrodistilled oil were performed on GC and GC/MS systems. Camphor (45.8%), ?-fenchone (31.8%) and bornyl acetate (4.2%) were found as main constituents in the essential oil of L. stoechas subsp. stoechas. © 2019, Badebio Biotechnololgy Ltd. All rights reserved.