Plectranthus grandidentatus Gürke

Perennial semi-succulent procumbent herb; stems up to 2 m long, fairly densely to densely tomentose. Leaves petiolate; blade semi-succulent, ovate to broadly ovate, 20-70 x 18-75 mm usually densely pubescent, under-surface with red to brownish gland-dots, apex acute, base truncate, margin deeply dentate with 4-7 pairs of triangular teeth 3-7 mm long; petiole 15-45 mm long. Inflorescence terminal, often on short lateral shoots, usually simple or occasionally with 1-2 pairs of branches near the base; flowers in 3-6-flowered sessile cymes, forming 6-12-flowered verticils; verticils 5-10 mm apart. Calyx 4 mm long in fruit, glandular-scabrid, Corolla white (rarely purple), finely pubescent and gland-dotted, 7-13 mm long; tube slightly bent about the middle and expanding to the throat; lower lip boat-shaped, 4-8 mm long. Stamens free to the base, 5-8 mm long.

Relatively dry, rocky places in open woodland.

Can be grown by cuttings or seedlings.