Prostrate to ascending herb to 50 cm tall, often woody basally, with curved, antrorse hairs or glabrous. Leaves sessile, obovate to elliptic, dentate to entire, surface usually visible beneath hairs; lamina 6-50 mm long, 1-25 mm wide. Flowers in spikes to 25 cm long; bracts leafy; bracteoles narrowly elliptic, 3-9 mm long, ciliate. Sepals ovate-deltoid, to 0.7 mm long, ±free. Corolla 5-10 mm long, white ±appressed-hairy outside, thinly bearded inside, blue or white; barbulae usually numerous, ±papillate apically; wings to 1 mm wide. Ovary 1-locular except basally; indusium 1-2 mm long, white or purple beard not exceeding bristles on lips. Fruit ellipsoidal, c. 3 mm long, rugose, pubescent or glabrous, usually 1-seeded.
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