Annuals, 5-30 cm. Stems decumbent to ascending. Leaves: blades oblong to oblanceolate, 5-40 mm, margins entire or toothed, plane (apices rounded to acute), faces lanate or tometose to tomentulose. Heads borne singly. Peduncles 1-8 cm. Involucres hemispheric to obconic, 5-6 mm diam. Phyllaries 6-10, ± connate. Ray florets 6-10; laminae yellow, 2-10 mm. Disc florets 10-30; corollas 1.3-3 mm (tubes cylindric, throats broadly funnelform, abruptly dilated, lobes glabrous or hairy, hairs 1-celled, not glandular; anther appendages deltate, widest at bases, not glandular). Cypselae 2.2-3 mm; pappi 0 or of 6-10 ± ovate to cuneate, entire, erose, or laciniate scales 0.1-0.5 mm.