Soft shrublet 0,6—1 m tall, branching near the base from a perennial woody rootstock; stems erect, sparingly branched, densely lanate. Leaves often ternate or subopposite, subsessile; blade subcoriaceÂous, lanceolate-elliptic to broadly ovate, 20-45 x 8-20 mm, finely pubescent to densely velvety, secondary nerves indistinct, apex subacute to obtuse, often minutely apiculate, base obtuse, margin entire; petiole up to 5 mm long. Inflorescence a lax terminal raceme 100—350 mm long; verticils usually 2—3-flowered; pedicels 3—8 mm long with a pair of linear-lanceolate bracteÂoles near the base. Calyx subglobose, densely yellowish lanate-velutinous, ovoid, enlarging to 20 mm long in fruit; lips 2—3 mm long. Corolla mauve to almost purple, 15—25 mm long; tube 8—14 mm long; upper lip 3—5 mm long, about 5 mm broad; lower lip broadly 3-lobed, 4—6 mm long, 8—10 mm broad. Nutlets, excluding the wing, 7—8 mm long, sparsely pubescent; wing about 12 x 9 mm.
