Subshrubs, 50-150(-200) cm. Stems decumbent to ± erect, branched from bases or throughout (densely white-tomentose to glabrate). Leaves cauline; alternate; petiolate; blades broadly ovate, 1-2-pinnately lobed (lobes oblong or oblanceolate to linear), ultimate margins entire (somewhat revolute, apices ± rounded), faces white-tomentose (adaxial often glabrescent). Heads radiate, (50-100+) in corymbiform or paniculiform arrays. Involucres cylindric to campanulate, 3-5 mm diam. Phyllaries persistent, 8-16 in ± 2 series (± erect in fruit, distinct, oblong to linear, ± herbaceous, ± keeled). Receptacles flat to convex, shallowly pitted, glabrous, epaleate. Ray florets 4-9, pistillate, fertile; corollas yellow. Disc florets 10-25+, bisexual, fertile; corollas yellow, tubes shorter than campanulate or narrowly funnelform throats, lobes 5, deltate. Cypselae (blackish, dull) obpyramidal to clavate, ± scabrellous to glabrate; pappi persistent, of 2-6+ unequal (or 2 opposite, longer, and ± equal), basally connate, oblong to subulate scales (tips acute to erose). x = 19.