Erect subshrub to 50 cm tall, glabrous or with few, scattered hairs on stem. Leaves ±sessile, elliptic to obovate, dentate or entire; lamina 9-34 mm long, 3-14 mm wide. Flowers in terminal spikes to 18 cm long; bracts leaf-like but smaller; bracteoles lanceolate to narrowly elliptic, 5-7 mm long. Sepals semiorbicular, c. 1 mm long, connate. Corolla 16-21 mm long, glabrous outside or with some hairs towards top, ±bearded inside, usually blue; barbulae simple; wings to 1 mm wide. Ovary 2-locular; indusium 1-2.5 mm long, scanty beard above scarcely reaching lips. Fruit obovoid, 3-6 mm long, rugose, often pubescent near base.