Document Type : Original Article
The hydrodistilled essential oil from flowers of Hymenocrater platystegius Rech. f., which is
endemic to Iran, was analyzed by GC and GC/MS. Twelve compounds representing 80.4%
of the flowers oil of H. platystegius were identified. This oil was particularly rich in α-pinene
(25.8%) and limonene (20.9%); another major component of the oil was β-pinene (12.2%).