Sida 3: 192. 1968.
Herbs, annual, 1-5.5 dm. Stems freely branched, decumbent to ascending. Leaf blades narrowly to broadly ovate or rarely lanceolate, 1-6.5 × 0.6-4 cm, base rounded or very broadly cuneate, apex short- to long-acuminate or attenuate. Flowers: involucral bracts 1.3-4.7 mm; tepals 1.7-2.3 mm, equal to or shorter than bracts. Achenes light brown, asymmetric, 1-1.4 × 0.7-1.1 mm, apex obtuse, mucro subapical; stipe slanting, short-cylindric, not centered, basally dilated.
Phenology: Flowering winter–summer.
Habitat: Shell mounds, calcareous outcrops, hammocks, waste places
Elevation: 0-10 m
Fla., Ga., La., N.C., S.C.
Parietaria praetermissa is endemic to the Atlantic and Gulf coastal plains of southeastern United States. The name Parietaria floridana has been incorrectly applied to this species.