Perennial undershrub, 0.15-0.40 m high, suffrutex; stems slender, ascending, subangular, from woody underground rootstock. Leaves opposite, broadly ovate or triangular-ovate, pilose beneath, base rounded or slightly attenuate, apex obtuse or rounded. Inflorescence: 1-3-flowered cymes, in axils of leaves; bracteoles 2, opposite, linear. Flowers: pedicels slender, pilose. Calyx during flowering campanulate, 5-angled, 5-lobed, pilose without, glandular within; lobes oblong or oblong-lanceolate. Corolla: tube straight, villous in throat; posterior lobes oblong or elliptic, rounded at apex. Flowering time Oct.-Feb.