Perennial semi-succulent herb up to 0,25 m tall, branching from the base; stems thickened at the base, up to 20 mm or more in diameter, becoming brown and potatoÂlike with age. Leaves petiolate; blade semi-succulent, ovate to broadly ovate, 12-30 x 10-25 mm, sparingly pubescent, under-surface often glandular-puberulous, with pale to reddish brown gland-dots, apex obtuse, base truncate, margin with few, fairly distinct teeth; petiole 6-13 mm long. Inflorescence simple, 30—120 mm long; flowers in sessile, 1 —3-flowered cymes, forming 2—6-flowered verticils 10—20 mm apart. Calyx 5—6 mm long in fruiting stage, glandular-hispidulous. Corolla pale bluish mauve to whitish; tube 4—8 mm long, expanding abruptly and forming a saccate base 4—5 mm deep, narrowing gradually to 2 mm deep at the throat; upper lip 4—5 mm long, lower lip concave, 3—4 mm long. Stamens free, of two lengths, upper pair 1,5 mm long, lower pair 3 mm long.
