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DescriptionDecumbent or erect annual or sometimes perennial herb. Leaves oblanceolate to spathulate below, linear to narrowly elliptic towards the top of the stems, 15 - 80 mm long, hairless or pubescent on both surfaces, leaf base running down into a narrowly winged petiole; margin more or less coarsely toothed or scalloped. Flowers in lax racemes, pale to deep blue, rarely mauve or white. See L. kirkii for comparison.