abstract the essential oils obtained by steam distillation from the leaves and flowers of colquhounia coccinea wall. were analyzed by gc and gc/ms. flower a total of 96.8% and 93.7% of the constituents were identified in the leaf and oils, respectively. both the oils were dominated by sesquiterpenoids. -caryophyllene (44.1-53.2%), germacrene d (7.0-15.8%), cadina-1-4-diene (11.1-12.4%), germacrene d-4-ol (1.8-12.2%), -humulene (3.7-8.7%) and caryophyllene oxide (1.0-5.7%) were identified as the major constituents in both oils.