Perennial herb with a woody rootstock, not aromatic [requires confirmation]. Stems diffusely branched, ascending-erect, 10-35 cm, slender, quadrangular, pubescent or almost glabrous. Leaves ovate, 1-2 (-3.5) x 1 (-2.5) cm, pale green, slightly fleshy, subentire to crenate-serrate, gland-dotted, cuneate to truncate, petiolate, pubescent to almost glabrous. Inflorescence usually unbranched, short. Verticillasters 5-7, c. 6-flowered, distant. Bracts 0.5-1 mm, ovate-oblong. Pedicels c. 2 inm spreading in flower, deflexed in fruit. Calyx 2-2.5 mm in flower, and up to 6 mm in fruit, pubescent in lower part, eglandular; throat glabrous; upper lobe ovate-orbicular; lower pair of teeth subulateattenuate, 2 mm in fruit. Corolla white or lilac, 5-6 mm; tube as long as calyx teeth. Stamens included. Nutlets pale brown, orbicular-ovoid, c. 1 x 1 mm, finely punctulate, mucilaginous on wetting.