The new diterpenequinone columbaridione, together with the known compo
unds 7-methoxyrosmanol, 7-ethoxyrosomanol, 11-acetoxy carnosic acid, 2
0-deoxocarnosol and miltodiol were isolated from the aerial part of Sa
lvia columbariae. The structure of the new diterpenequinone was establ
ished from spectral data and chemical correlations.