Annual herb, stem c. 30-120 mm long, up to 2 mm in diam., prostrate or decumbent, branching from the base and above, sparsely pubescent with ± retrorse hairs up to c. 0.2 mm long, very minutely glandular as well especially on upper parts, moderately leafy, each leaf subtending a branch. Leaves 1.5-14 x 0.8-3 mm, elliptic tapering into a petiolar part accounting for at least half the total leaf length, the uppermost leaves ± spathulate, margins entire, a few acute hairs up to 0.25-0.3 mm long on lower margins, otherwise glabrous. Flowers crowded in globose heads elongating slightly in fruit, c. 2-10 mm long, terminating each branchlet, these paniculately arranged. Bracts adnate to calyx for 0.3-0.4 mm, lowermost c. 1.7-2 x 0.7-1 mm, spathulate, obtuse, glabrous except for a few hairs up to 0.2 mm long on lower margins. Pedicels minute. Calyx 1-1.3 mm long, often 3-lobed, sometimes 5-lobed, anticous lip 0.6-1 x 0.6-0.8 mm, entire, retuse or bilobed, lobes c. 0.2 mm long, posticous lobe much smaller, narrower, acute, hairs up to 0.2 mm long, almost or quite confined to margins. Corolla tube 1-1.2 mm long, broadly funnel-shaped, 0.8-1 mm across mouth, limb c. 1-2.5 mm across lateral lobes, 4-lobed, posticous lip (0.3-)0.71 x (0.4-)0.7-1 mm, entire or very slightly retuse, anticous lobe (0.4-)0.8-1 x (0.3-)0.6-0.7 mm, pale mauve opening white, posticous lip well bearded. Stamens 4, all exserted, anthers 0.1-0.4 mm long. Stigma (0.2-)0.6-0.7 mm long, shortly exserted. Style 0.6-0.8 mm long. Ovary 0.3-0.6 x 0.2-0.4 mm. Cocci 1-1.2 x 0.6-0.7 mm, smooth or slightly rugose. Seeds 0.8-1 x 0.4-0.6 mm.
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