Subshrubs. Branches densely stellate tomentulose. Leaves clustered at branch bases, widely spaced apically, narrowly lanceolate to linear, 2-4 cm × 2-5 mm, densely stellate tomentulose, base attenuate to petiole, margin entire and revolute, apex obtuse to acute. Verticillasters 4-6-flowered, lax, 7 or 8 in a terminally interrupted 15-25 cm pedunculate spike; peduncle 17-30 cm; bracts linear, almost as long as corolla; bracteoles linear, shorter than calyx. Calyx tubular, straight, 5-6 mm, densely stellate tomentose, 13-veined, 5-toothed; posterior tooth conspicuously larger than other 4 inconspicuous teeth. Corolla 1-1.1 cm, densely tomentose; upper lip straight, with lobes divaricate almost at a right angle, ovate, apically obtuse; lobes of lower lip subcircular. Fl. Jun-Jul.

Occasionally cultivated in China [Africa, Europe].