五肋百里香(Thymus quinquecostatus Celak)系唇形科百里香属植物。山东沿海一带民间用于治疗关节炎。我市多年来用其挥发油针剂治疗关节炎有一定的疗效。中国科学院植物研究所对烟台地区的百里香精油的成分进行了研究,查明精油主要含芳樟醇70% Thymus quinquecostatus Celak is a thyme of the family Lamiaceae. Folks in the coastal areas of Shandong are used to treat arthritis. Over the years, our city has used its volatile oil injection to treat arthritis. The Institute of Botany, Chinese Academy of Sciences studied the composition of thyme essential oil in Yantai area and found that the essential oil contains mainly linalool 70%