acinos_arvensis_lam.

Acinos arvensis (Lam.) Dandy - Lamiaceae - syn. Clinopodium acinos; basil thyme, spring savory, Feld-Steinquendel, Gemeiner Steinquendel

Annual or perennial herb, 10-40cm high, native to Europe and West Asia, introduced to North Africa and North America; leaves short-stalked, ovate to lanceolate, 1-2cm long; flowers in clusters of three in the upper leaf angles; corolla violet, at most 1cm long.

„The scent is faintly reminiscent of thyme, giving it its common name.“ wikipedia EN
„The parts of the plant smell pleasantly aromatic of mint.“ wikipedia DE

Major compounds of the essential oil were germacrene-D (14.3%), hexadecanoic acid (14.0%), β-bourbonene (7.0%), caryophyllene oxide (3.2%) and abietatriene (3.0%). There are many olfactory interesting minor components like e.g. eucalyptol (1.2%), nonanal (0.1%), decanal (0.1%), bornyl acetate (0.1%), pulegone (0.2%), borneol (0.2%), trans-verbenol (0.5%), carvone (0.3%), (E,E)-2,4-decadienal (0.1%), β-damascenone (0.04%), and β-ionone (0.2%).
„Previously A.arvensis oil from Canada was reported as rich in germacrene-D (51.4%), caryophyllene (7.9%), β-bourbonene (4.8%), and cadinene(3.0%), and a sample of oil from Greece was reported to contain pulegone (51.3%), isomenthone (18.1%), alloocimene (6.9%) and menthone (4.2%).“
[Kaya, Ayla, et al. „The essential oil of Acinos suaveolens (Sm.) G. Don fil. Acinos arvensis (Lam.) Dandy and Acinos rotundifolius Pers. growing wild in Turkey.“ Flavour and fragrance journal 14.1 (1999): 60-64] (PDF)