Sp. Pl. 1: 224. 1753
Plants perennial or annual, not cespitose, 1–10 dm; roots fibrous. Stems prostrate, procumbent, or decumbent, pilose. Leaves sessile or petiolate; petiole to 0.6 cm; blade green, obovate to oblong, 1.5–7.5 × 0.5–2.5 cm, apex rounded or obtuse, pilose-sericeous. Inflorescences: heads white tinged with pink or red, globose to short-cylindric, 9–13 mm diam.; bractlets with denticulate crests along keel. Flowers: tube densely lanate; perianth lobes white, narrowly oblong, 4–5 mm, apex attenuate. Utricles ovoid, 2.2 mm, apex acute. Seeds 1.2 mm.
Phenology: Flowering year-round.
Habitat: Lawns, roadsides, sandy open areas, woodlands, hammocks
Elevation: 0-1500 m
Fla., Ga., Tex., Mexico, Central America, South America.