Perennial herb, 0.15-0.25 m high, branching at base; stems slender, decumbent to ascending, sparingly branched; fairly densely hispid to villous-pilose with long, spreading hairs and some short, glandular hairs. Leaves petiolate, ovate, 10-20 x 6-15 mm, base truncate to subcordate, apex obtuse to rounded, margins crenate; somewhat appressed-villous with some bulbous-based hairs above, hispid mainly on nerves beneath. Inflorescence fairly dense, of few to several 2(-6)-flowered verticillasters; rachis densely hispid interspersed by some glands. Flowers purple. Calyx hispid and interspersed by some glands. Corolla: tube 6 mm long; upper lip erect; lower lip deflexed. Flowering time Nov.-Apr.