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Corolla 4–5 mm. long, white, pale blue or pink with two yellowish bumps in the mouth of the tube, split on the back to ± 0·6 mm. from the base, pubescent outside and inside on bottom of tube, 2–lipped with the lower lip 3–lobed and the upper lip consisting of 2 shorter lobes united with the tube for most of their length.
Flowers resupinate, often cleistogamous, in lax racemes with leaf–like bracts diminishing in size upwards; pedicels up to 30 mm. long, pubescent; bracteoles at base of pedicel, resembling small leaves, 1–5 mm. long.
Filaments ± attached to the corolla–tube at the base, linear, scarcely connate above, all sparsely pubescent on the inside near the tip, the two anterior ones also ciliate at the base.
Leaves sessile, elliptic to narrowly ovate, up to 14 x 7 mm., acute at the apex, rounded or cuneate at the base, pubescent on both surfaces; margin coarsely dentate–serrate.
Seeds broadly elliptic in outline, strongly compressed, ± 0·35 mm. long, striate–verruculate, brown.
Stems 2–15(28) cm. tall, terete, somewhat ribbed, densely pubescent with spreading hairs.
Anther–tube ± 0·6 mm. long, all anthers penicillate at the tip, otherwise glabrous.
Slender annual erect or decumbent herb, often branched from the base.
Capsule ± 10–nerved, 2–3·5 mm. long, pubescent; valves ± 1 mm. long.
Hypanthium broadly obconical to subglobose, ± 10–nerved, pubescent.
Calyx–lobes 0·5–1·6 mm. long, entire, pubescent.
