Perennial semi-succulent herb; stems slender, branching, decumbent to procumbent, up to 0.5 m long, glandular-hirsute. Leaves petiolate; blade soft, drying fairly thin in texture, ovate-triangular, 20-40 x 18-40 mm, sparingly pubescent, under-surface with reddish brown gland-dots, apex obtuse, base truncate, margin obscurely crenate-dentate; petiole 10-20 mm long. Inflorescence simple or with a pair of branches near the base; racemes slender, 100-200 mm long; flowers in sessile 3-6-flowered cymes, forming 6-12-flowered verticils 1-4 mm apart; bracts often persisting to the flowering stage. Calyx 3 mm long at fruiting stage, gibbous at the base. Corolla blue-mauve, 5 mm long; tube nearly straight, expanding near the base; lower lip boat-shaped, 2.5 mm long. Stamens free to the base, 2.5-3 mm long.
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