Dwarf shrub up to 200-600 mm tall, stems spreading, decumbent or erect, well branched, branches mostly ascending at an angle of c. 45°, glandular-pubescent, hairs up to 0.1-0.4 mm long, a few glistening glands as well, glands sometimes oozing so that stems (also leaves and calyx) look varnished, closely leafy. Leaves alternate, pseudofasciculate, largest primary leaves 1.5-10(-25) x 0.4-3(-11) mm, elliptic to spathulate, often conduplicate, obtuse or subacute, base narrowed, becoming petiolar only in exceptionally large leaves, usually with a pair of prominent teeth near the apex, occasionally 2 pairs, exceptionally 3 pairs, secondary leaves in particular sometimes entire, upper surface glabrous or with a few glistening glands, thickly clad in glistening glands below, minute big-headed glandular hairs as well (glands not easy to see when oozing). Flowers solitary in the axils of the leaf tufts with a strong tendency to run up into leafy racemes. Pedicels up to 5-15 mm long, glandular-puberulous, hairs less than 0.1-0.15 mm. Calyx tube 0.2-0.3 mm long, lobes 2.2-2.8(-3.4) x 0.5-0.7 mm, oblong-lanceolate, ± acute, thickly clad in glistening,glands and minute big-headed glandular hairs. Corolla tube 8-10(-13.5) x 1.5-2.2 mm in throat, cylindric, abruptly expanded near apex, limb oblique, c. 8-18 mm across lateral lobes, posticous lobes 4-9 x 3-7 mm, anticous lobe 3.8-7.5 x 2.6-6.8 mm, all lobes cuneate, ± retuse, glandular-puberulous outside, hairs up to 0.15-0.2 mm long, glistening glands as well mainly on backs of lobes, broad transverse band of clavate hairs in throat extending briefly onto base of lower lip, lobes purple, deep purple-blue or deep blue (exceptionally white, mauve or pink; see below). Stamens: posticous filaments 0.7-1.5 mm long, anthers 0.7-1.2 mm; anticous filaments 0.3-0.6 mm long, anthers 0.4-0.6 mm, all filaments glandular-puberulous. Stigma c. 0.2 mm long. Style 5.6-6.8(-8.5) mm. Ovary 1.7-2 x 0.8-1.2 mm. Capsules c. 3-6.5 x 2-3 mm, glistening glands all over. Seeds c. 0.8-1 x 0.4-0.6 mm. Flowering has been recorded in most months.
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Spreading, dwarf shrub, up to 600 mm high; glands may ooze so may look varnished, stems well branched. Leaves alternate, largest primary ones elliptic to spathulate, often conduplicate, few petiolate, usually toothed near apex; secondary ones sometimes entire. Flowers single in axils of leaf tufts, often forming leafy racemes. Pedicels up to 10(-15) mm long. Calyx: tube up to 0.3 mm long; lobes oblong-lanceolate, ± acute. Corolla: tube up to 13.5 mm long; limb oblique; lobes cuneate, ± retuse, purple to deep blue, rarely white, pink or mauve. Flowering time all year.
Glandular-hairy shrublet to 60 cm. Leaves sparsely toothed. Flowers axillary tending to racemose, tube inflated above, purple to blue, rarely white to pink.
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