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Perennial herb, 60-250 mm high. Leaves sessile, thick-textured; blade obovate to narrowly ovate-obovate, 30-80 x 15-40 mm, apex obtuse to rounded, base cuneate, margins coarsely few-toothed to repand or almost entire; subglabrous to sparsely pilose. Flowers: verticils 2-many-flowered, often starting shortly above basal leaves, spaced below, crowded towards apex; calyx 6-7 mm long, tube 3-4 mm long, teeth deltoid, 3 mm long, hispid; corolla with tube 7-8 mm long, upper lip 2 mm long, emarginated, lower lip 7-10 mm long, median lobe broadly obovate, 5-7 mm long and broad, deeply emarginated, blue to mauve, rarely white; Sep.-Apr.
Perennial herb, 60-250 mm high; stems several, decumbent-ascending. Leaves form a basal rosette, sessile or shortly petiolate, obovate to obovate-lanceolate, subglabrous to sparingly pilose, base cuneate, apex obtuse to rounded, margins coarsely few-toothed to repand or almost entire. Inflorescence: verticils spaced below, crowded at apex; verticillasters 2-many-flowered. Flowers blue to mauve; pedicels up to 1 mm long. Calyx hispid, teeth deltoid. Corolla: upper lip emarginate; lower lip deeply emarginate. Stamens 4, curved within upper lip, lower pair slightly longer. Flowering time Sept.-May. Fruit obovoid nutlets.
