Spreading shrub to 150 cm tall, silky hairy; branches hard, woody. Leaves sessile, elliptic to obovate, broad basally, entire; lamina 12-45 mm long, 3-10 mm wide; axillary hairs silky. Flowers in compact, axillary spikes to 15 mm long; bracts oblanceolate, to 10 mm long; bracteoles ovate to orbicular, 4-6 mm long. Sepals rim-like, undulate, to 0.5 mm long. Corolla 10-19 mm long, silky hairy outside, bearded inside, white with purplish lines; barbulae simple, hair-like; wings to 0.8 mm wide. Ovary 1-locular except basally; indusium 1-1.5 mm long, shortly hairy basally. Fruit ovoid, 3-5 mm long, glabrous or nearly so, 1-seeded.