Abstract
The essential oil of Microglossa pyrrhopappa var. pyrrhopappa (A. Rich) Agnew (Compositae) from Kenya has been studied for the first time. Analysis of the oil by GC and GC/MS reveals that the major compounds were β-caryophyllene (20.3%), γ-gurjunene (11.5%), limonene (8.5%) and δ-cadinene (6.1%).