Herbs , annual or short-lived perennial, 0.2-1 dm. Stems 5-10-branched, repent or prostrate, sometimes mat-forming. Leaf blades broadly ovate to orbiculate, paired blades only slightly unequal, 1.5-6 × 1.6-5 mm, margins entire. Inflorescences crowded. Flowers ca. 0.2-0.3 mm across. Achenes uniformly light brown, slightly compressed, ovoid-cylindric, ca. 0.4 × ca. 0.3 mm, pebbled. Flowering fall-spring (sporadically throughout summer). Hammocks, waste places; 0-10 m; Fla.; West Indies; Central America; South America (Colombia).