An erect or sprawling branched shrublet, 15-50 cm high. Stems shortly hairy. Leaves alternate, fasciculate, reflexed, crowded or distant all along, ovate to ovate-lanceolate, 2-5 mm long, 1-4 mm wide, acute, thick, concave above, the edges thickened, entire or with a few very minute teeth at the base. Flowers usually in groups of 3, sometimes aggregated at the stem tip, sometimes lateral, sometimes lax. Pedicels from minute to 1-3 cm long, hairy. Bracts like the leaves but much smaller. Calyx lobes 2-3 mm long, acute, involute, minutely toothed at the base. Corolla white, blue or purple outside, 5-8 mm long, the tube very short, the lobes narrow, spreading, glabrous, slightly cucullate at the tip. Bases of the filaments obovate, truncate or almost 3-lobed, shortly but densely ciliate. Style blue, distinctly thickened at the top. Ovary more than half inferior, hemispherical below, occasionally flattened or slightly pointed at the base, usually glabrous. Fruit 2-3 mm long, 2 mm Diameter: valves about as long as or very slightly longer than the calyx lobes.
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Erect or sprawling shrublet to 80 cm. Leaves strongly recurved, ovate, margins thickened, sometimes minutely toothed below. Flowers clustered in upper axils or paniculate, white or blue, 5-8 mm diam., tube ± 1 mm long, ovary sometimes hairy.
Shrublet, erect or sprawling, 0.15-0.8 m high. Leaves recurved, ovate, concave, margins thickened. Flowers white or blue, aggregated in upper axils. Flowering time Nov.-May.