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It contains Carvacrol, caryophyllene, eugenol, linalool, urosolic acid.<ref name="chemical composition"/>

{{Flower|Bisexual|Raceme|Pink/white|4|Racemes to 11 cm long, generally simple, occasionally branched at base; pedicel c. 2 mm long. Bracts to 2 x 3 mm, suborbicular. Calyx purplish, c. 3 mm long, campanulate; lobes 5, upper lip ovate, acute, lower lip hispid without. Corolla reddish-pink, to 4 mm long, tubular-campanulate; tube c. 2 mm long, dotted with sessile oil glands; lobes of upper lip oblong-orbicular; lower lip ovate-oblong. Stamens 4; filaments villous at the base of upper pair.}}

{{Fruit|Nutlet|1.5 mm long||ellipsoidEllipsoid, dark brown.|}}

A plant of the moist to wet, lowland tropics, where it is found at elevations up to 1,000 metres. Can be easily grown from seed. <ref name="How to plant/cultivate"/>