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Perennial, semi-succulent herb; stems decumbent to ascending, up to 0,3 m long, rusty-hispid usually with multicellular purplish hairs, or greyish-strigose. Leaves petiolate; blade fairly thick-textured, broadly ovate to subrotund, 13 — 35 x 8—30 mm, strigose, under-surface often purple-tinged, with grey to rusty multicellular hairs and numerous red gland-dots, apex obtuse to rounded, base truncate to abruptly cuneate, margin obscurely crenate; petiole 5 — 15 mm long. Inflorescence usually sim­ple; racemes 40—150 mm long; flowers in sessile 1—3-flowered cymes forming 2—6-flowered verticils 5 — 12 mm apart. Calyx up to 6 mm long in fruiting stage, sparingly strigose. Corolla whitish to mauve with a few darker markings on the upper lip, 6—9 mm long, tube usually narrowing distinctly between the middle and the throat; upper lip 4—5 mm long; lower lip concave, 3—4 mm long. Stamens free, 1,5 — 3 mm long. Fig. 28:1.