Herbs, annual, yellowish green to gray-green or rarely reddish, to 50 cm, canescent, lanuginose, or glabrous; trichomes completely candelabriform. Stems ascending, decumbent, or prostrate, herbaceous, buds absent on stem bases. Leaves: petiole to 2.5 cm; blade gray-green, widely obovate, ovate-trullate, circular, or lanceolate, 0.8-3.2 × 0.9-3 cm, chartaceous to fleshy, base attenuate or oblique. Inflorescences 1-3-flowered; involucral leaf petiole to 0.6 cm, blade ovate, obovate, lanceolate, or transversely elliptic, 0.3-4 × 0.2-3.1 cm, chartaceous to fleshy, base attenuate or oblique, apex acute to obtuse; involucres on secondary branches formed by connation of involucral leaf petioles, which become indurate and adnate with stems or with leaf petiole and stems; bracts widely ovate, 1-1.6 × 0.8-1 mm, apex obtuse, distinctly lanuginose; bracteoles 1-1.5 × 0.6-0.8 mm, apex obtuse, distinctly lanuginose distally. Flowers 1.5-3 mm; tepals yellowish, 1.1-3 × 0.7-1.2 mm, glabrous or lanuginose; staminal cup 0.5-1 mm; filaments 0.5-1.4 mm; anthers 0.7-1.1 mm; pseudostaminodes absent or short-triangular lobes, 0.2 mm; ovary 0.3-0.8 × 0.5-0.7 mm; style to 0.1 mm; stigmas 0.1-0.3 mm. Utricles 1.3-1.6 × 1-1.3 mm. Seeds brown-red, 1.1-1.4 × 0.7-1.2 mm.
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A branching, prostrate or decumbent annual native to w. U.S., with broadly ovate to orbicular lvs 1–3 cm subtending small, axillary glomerules of small fls, is occasionally found in waste places along our w. border.
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