Plant: annual herb; 0.5 m tall, the stems sparsely stellate-pubescent to glabrate Leaves: deeply 3-parted, each lobe pinnately divided, very sparsely pubescent, 3-5 cm long Flowers: axillary, the pedicels 1-3 cm long; bracts of involucel 4-7 mm long; calyx 15-20 mm long, inflated and membranous with dark-pigmented veins; petals 2-2.5 cm long, yellow with a prominent purple spot at base Fruit: FRUITS ovoid capsules, included in calyx, hispid; SEEDS 2 mm long, warty Misc: Cultivated plant, doubtfully established; ca. 2150 m (7000 ft); Aug REFERENCES: Fryxell, Paul A. 1994. Malvaceae. J. Ariz. – Nev. Acad. Sci. Volume 27(2), 222-236.