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.