The essential oil content in the aerial parts of the endemic species Pycnocycla bashagardiana growing wild in the south of Iran was found to be 1.1% based on the fresh weight. The oil was analyzed by gas chromatography (GC) and GCâmass spectrometry (GCâMS). Forty-six constituents, representing 98.1% of the oil, were identified. The major components of the oil were myristicin (18.6%), cis-isomyristicin (15.3%), E-Î²-ocimene (11.6%), Z-Î²-ocimene (6.5%), sabinene (4.8%) and intermedeol (4.0%).