Herbs, erect, annual, 1-6 dm, glabrous, glaucous, grayish. Stems: caudex absent; aerial flowering stems erect, solid, not fistulose, 0.1-0.4 dm, glabrous, glaucous. Leaves basal; petiole 1-5 cm, tomentose; blade cordate to subreniform, (1-)2-5 × 2-6 cm, densely white felty-tomentose abaxially, tomentose and grayish adaxially, margins occasionally wavy. Inflorescences cymose, open to diffuse, spreading to subglobose or flat-topped to umbrella-shaped, 5-35 × 5-50 cm; branches glabrous, glaucous; bracts 3, scalelike, 1-3 × 0.5-1.5 mm. Peduncles absent. Invo-lucres deflexed, broadly campanulate to hemispheric, 1-2 × 1.5-3(-3.5) mm, glabrous; teeth 5, erect, 0.5-0.7 mm. Flowers 1.5-2 mm; perianth yellow to reddish yellow, glabrous; tepals dimorphic, those of outer whorl orbiculate, those of inner whorl narrowly ovate; stamens mostly included, 1.3-1.5 mm; filaments glabrous. Achenes light brown, 3-gonous, 2-2.5 mm, glabrous. 2n = 40.
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