Annual herb, prostrate, grayish-green, woolly-canescent, 10-30 cm across, with numerous branches radiating from the rootstock. Leaves 1-2.5 cm long and 0.5-2 cm wide, ovate-oblong, obtusely sinuate-pinnatifid; stipules small, mostly hidden by the dense whitish hairs that covers stems and leaves. Flowers 0.5-1 cm in diameter, solitary, axillary, on 0.5-1.5 cm long, peduncles. Sepals 5-lobes, ovoid, acute, 0.2-0.4 cm long and 0.1-0.2 cm wide, as long as the alternating epicalyx-lobes. Petals 5, obovate, veined, 0.2-0.4 cm long and 0.1-0.2 cm wide. Stamens 10, in 2-raows, with glabrous filaments and broadly ovate anthers. Styles 10, accrescent in fruit, stigmas distinct, capitate. Fruit dry, flattened, orbicular, echinate above, smooth woolly below, 1-2 cm in diameter. Seeds curved, brown. Flowering from January to May.

Sandy and gravelly soil.