Herbs , 0.3-5.5 dm. Leaf blades narrowly to broadly ovate, less frequently oblong or nearly orbiculate, 0.4-4.5 × 0.4-2.7 cm, conspicuously longer than wide, base broadly cuneate, rounded, or truncate, apex distally rounded or acuminate to acute or obtuse. Flowers: involucral bracts 1-4.5 mm; tepals erect, loosely connivent at maturity, ca.2-2.8 mm, apex acute.

Flowering late winter-early summer, rarely at other times. Chaparral, deserts, roadsides, sand dunes, often in shaded and moist places; 0-1400 m; Ariz., Calif., Nev., N.Mex., Utah; nw Mexico.