"Perennial herbs, to 20 cm tall, from a woody caudex, this sometimes branched; stems prostrate to ascending, branching from the base as well as above; herbage silvery-white in appearance, covered with long hairs and stiff white bristles, these bulbous at the base (pustulate). Leaves: Clustered in a persistent basal rosette and alternate along the stems, sessile; blades linear to oblanceolate, 1-9 cm long, upper surfaces strigose, lower surfaces strigose and bristly. Flowers: White and yellow, in scorpioid cymes that become elongate in fruit; calyx 5 parted, the lobes ovate-lanceolate, 3-4 mm long in flower, 5-6 mm long in fruit; corollas salverform, white with a yellow throat, the tubes ringed with short antrorse scales at the base of the interior. Fruits: Nutlets 1-4 per calyx, smooth and shiny, 2 mm long, curved inward, not compressed." (SEINet)