Perennial, caespitose, strongly suffruticose, aromatic herb. Stems simple or branched, 10-30 cm, leafy, white or greyish white, ± terete, with a dense eglandular indumentum of adpressed and retrorse or spreading short hairs. Leaves greyish-white, narrow elliptic, oblong or obovate, sessile or subsessile, 12-20 x 4-10 mm, cuneate at base, obtuse to acute at apex, in upper part 3-5 crenate-dentate or subentire, tomentose on both surfaces, denser abaxially and with sessile oil globules. Flowers sessile, congested into terminal, or lateral, oblong or ovoid heads, subtended by leaf-like oblong to linear bracts as long as or longer than calyces. Calyx 5-7.5 mm, ± obliquely campanulate, with a spreading or adpressed eglandular indumentum and usually gland-dotted, scarcely bilabiate; tube with some villous hairs internally; teeth of upper lip equal, triangular, those of lower lip triangular-lanceolate somewhat longer than upper. Corolla 8-12 mm, yellowish-white with darker pink or lilac markings. Nutlets c. 1.8 x 1.2 mm, rugulose-reticulate.