Plant: annual herb; to 1 m tall, prominently pilose, the mostly simple hairs 1.5-3 mm long Leaves: orbicular, 1-3 cm long, coarsely crenate-dentate, stellate-pubescent INFLORESCENCE: solitary in the leaf axils, sometimes forming a terminal raceme Flowers: calyx 10-12 mm long; petals 15-25 mm long, purplish, with dark basal spots; styles 25-35. Fruit: FRUITS a disc-shaped schizocarp, 9-12 mm diameter; mericarps 3-3.5 mm long, prominently rugose; SEEDS solitary Misc: In deserts and washes; 30-500 m (100-1500 ft); Mar-Apr REFERENCES: Fryxell, Paul A. 1994. Malvaceae. J. Ariz. - Nev. Acad. Sci. Volume 27(2), 222-236.