Plectranthus porphyranthus T. J. Edwards & N. R. Crouch

Perennial semi-succulent aromatic herb. Stems procumbent to somewhat scrambling, quadrangular, densely hairy. Leaves softly fleshy, opposite, ovate to triangular-ovate, up to 5.5 × 3.5 cm, shortly hairy above and densely woolly beneath; margin rolled under in young leaves, less so with age, coarsely dentate with 3-6 pairs of triangular teeth; petiole (1-4 cm long, densely hairy. Inflorescence terminal, 10-40 cm long, often with 2 basal branches; verticils usually 10-flowered, 1-3 cm apart; bracts very broadly ovate, 2-6 mm long. Calyx 3 mm long enlarging to 6 mm in fruit, purple-tinged; upper lip broadly ovate; lower lip 4-toothed. Corolla 2-lipped, intense violet with pale markings on the throat and upper lobes; tube c. 5 mm, markedly deflexed, sparingly hairy; upper lip 2-lobed, erect; lower lip boat-shaped, 3-4.5 mm long.

Local

Southern Zimbabwe.