Herbs, spreading, annual, 0.5-2 dm, tomentose, grayish to reddish. Stems: caudex absent; aerial flowering stems erect, not striated or angled, solid, not fistulose, 0.2-0.5 dm, tomentose. Leaves basal and cauline; basal: petiole 0.5-1 cm, floccose, blade broadly oblanceolate, 1.5-4 × 0.5-1 cm, tomentose abaxially, floccose or glabrate and grayish to green adaxially, margins crenulate, often slightly revolute; cauline sessile, blade lanceolate, 0.3-2 × 0.2-0.7 cm, similar to basal blade. Inflorescences cymose, diffuse, 3-17 × 5-25 cm; branches tomentose; bracts 3, scalelike, 1-2 × 0.5-1.5 mm. Peduncles spreading, straight, capillary, 0.2-1.5 cm, thinly tomentose to floccose or glabrous. Involucres turbinate, 2.7-3 × 2-2.5 mm, glandular-puberulent, densely tomentose adaxially; teeth 5, spreading, 0.8-1.2(-1.5). Flowers 1.5-1.7 mm; perianth white, glandular-puberulent; tepals monomorphic, narrowly oblong; stamens included, 1-1.5 mm; filaments pilose proximally. Achenes light brown, 3-gonous, 1.3-1.5 mm, glabrous. 2n = 40.
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