The composition of the volatile oil obtained from the flower of Polygonum bistorta L. subsp. contemn (Koch) Coode and Cull grown in Turkey was analyzed by GC-FID and GC-MS. Total 44 compounds were identified in the essential oil of the flower from P. bistorta subsp. carneum. Hydrocarbons were shown to be the main group of constituents (54.5 %). The major components of the oils of P. bistorta subsp. carneum were tricosane (21.3 %), hexacosane (14.0 %), hexadecanoic acid (13.2 %), heneicosane (7.7 %) and lavandulol (6.1 %). Terpenoids were the minor constituents (14.0 %, 14 compounds out of 44 components) in the oil of the P bistorta subsp. carneum.