Perennial herbs with an indumentum of simple hairs. Stems erect, branched. Leaves undivided, broadly ovate, with long petioles, serrulate. Flowers numerous in often secund pedunculate condensed cymes forming lax terminal panicles, cream to purple. Calyx ovoid, regular, ± equally 5-toothed, villous at throat, scarcely enlarging in fruit. Corolla bilabiate; upper lip minute, entire; lower lip 3-lobed clearly longer than upper; tube slender, straight, clearly exserted from calyx. Stamens 4, didynamous, ascending; thecae bilocular, diverging. Style apically flattened, very shortly bind. Nutlets 4, ovoid-globular.