Osteospermum uvedalia Linnaeus, Sp. Pl. 2: 923. 1753; Polymnia uvedalia (Linnaeus) Linnaeus; P. uvedalia var. densipilis S. F. Blake; P. uvedalia var. floridana S. F. Blake

Leaves: petioles 3–12+ cm, blades 10–35(–60+) × 10–35+ cm, larger usually 3–5-lobed. Ray laminae 12–30+ mm. Cypselae 5–6 mm. 2n = 32.

Flowering Jun–Aug(–Oct). Thickets, forest margins, often wet sites; 10–300+ m; Ala., Ark., Del., D.C., Fla., Ga., Ill., Ind., Kans., Ky., La., Md., Mich., Miss., Mo., N.J., N.Y., N.C., Ohio, Okla., Pa., S.C., Tenn., Tex., Va., W.Va.; introduced in Bermuda.

B. L. Turner (1988) included types of Smallanthus uvedalia and S. maculatus (Cavanilles) H. Robinson within a single species circumscription. If that circumscription is accepted, the range of S. uvedalia extends through eastern Mexico and Central America to Panama.