Perennial herb 0.15-0.30 m tall with few to several erect stems arising annually from a woody rootstock; stems slender, subglabrous to glandular-hispid. Leaves subsessile; blade elliptic to linear-elliptic, 15-40 x 4-10 mm, concolorous, sparingly pubescent on both surfaces, apex obtuse to acute, base cuneate to attenuate, margin with a few small teeth towards the apex. Inflorescence simple or occasionally with a pair of branches near the base, 70-100 mm long, lax; verticils 3-6-flowered; bracts lanceolate to linear-lanceolate, 15-30 x 2-5 mm, mauve-purple, persisting as an apical coma. Calyx 10-11 mm long at maturity, glandular-hispid. Corolla mauve, 14-16 mm long; tube 10-12 mm long, widening to 4 mm at the mouth; lower lip 4 mm long, often deflexed. Stamens well exserted beyond the lower lip; upper pair attached about the middle of the tube, filaments pubescent in the lower part; lower pair united for their entire length. Stigma minutely bifid.
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