The flowers of Phlomis fruticosa L., Lamiaceae were collected in Kythnos is
land, Aegean sea, Greece. The essential oil was obtained by hydrodistillati
on of these flowers and was analyzed by GC/MS. Thirty seven components were
identified representing 85.6% of the oil. The main components were germacr
ene D (17.8%), gamma-bisabolene (12.6%), alpha-pinene (8.9%), beta-caryophy
llene (8.7%).