Sprawling perennial herb, rootstock woody, up to c. 10 mm diam., branches many from the crown, of indeterminate length, laxly branched, sometimes rooting at the nodes, softly villous with gland-tipped hairs up to 0.8-2 mm long, leafy. Leaves opposite, largest blades 6-21 x 8-24 mm, ovate abruptly contracted to a petiolar part c. 2-6 mm long, roughly 1/4 to 1/5 length of blade, apex acute, margins serrate to irregularly shallowly lobed and toothed, both surfaces pubescent to villous with glandular hairs up to 0.8-2 mm long, densely clad in glistening glands as well. Flowers solitary in axils of leaves. Pedicels (lowermost) c. 6-30 mm long. Calyx obscurely bilabiate, tube 0.5-1 mm long, lobes 3-4.7 x 0.4-0.7 mm, villous with glandular hairs up to 0.4-2 mm long, densely clad in glistening glands as well. Corolla tube 4.5-10 x 2.5-4.5 mm in throat, funnel-shaped, limb almost regular, 7-9.5 mm across, posticous lobes 2.5-3.5 x 1.8-3 mm, anticous lobe 2.6-4 x 1.8-3.4 mm, all oblong-elliptic to oblong-orbicular, white, occasionally faintly tinged mauve, tube yellow or orange, glandular-pubescent outside, hairs up to 0.2-0.6 mm long, many glistening glands as well, inside well bearded all round with clavate hairs. Stamens 4, anticous pair exserted, filaments 2.5-3.5 mm long, posticous pair included, filaments 1.5-2.5 mm long, anthers 0.8-1.2 mm long. Stigma 0.7-1.3 mm long, exserted. Style 4-7 mm long. Ovary 1-1.4 x 0.75-1.2 mm long, ± wholly clad in glistening glands. Capsule 3.5-4 x 2.5-3 mm, glistening glands persistent. Seeds c. 0.4-0.7 x 0.3 mm, amber-coloured. Flowering mainly between December and March, though there is one record in July.
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Perennial herb, with sprawling stems of indefinite length, sometimes rooting at nodes, many parts glandular-villous. Leaves ovate, acute, ± dentate. Flowers single and axillary. Corolla: tube 4.5-10 mm long, yellow or orange; lobes white, sometimes somewhat mauve.