Decumbent to prostrate herb, to 1 m diam., hispid with short, stiff, simple hairs at 90°, and small, red, glandular ones. Leaves sessile, linear, revolute; lamina 7-45 mm long, 1-4 mm wide. Flowers in racemes or thyrses to 20 cm long; bracts leafy; peduncle curved, 10-50 mm long; bracteoles linear-triangular, 2-8 mm long, entire. Sepals linear, c. 2 mm long, free. Corolla 12-20 mm long, with long, white hairs at 90° outside, densely bearded inside, blue to mauve; barbulae simple, short; wings triangular, 2 mm wide, not striate. Indusium c. 2 mm wide, with dense beard. Fruit ellipsoidal, c. 4 mm long, ribbed, hispid.