Stems (2-)3-6.5(-8) dm. Cauline leaves petiolate (pet-iole (0.05-)0.1-0.2(-0.3) cm proximally, obsolete distally); blade usually linear-oblanceolate to oblanceolate, rarely linear, (0.7-)1-3(-4) cm × 1.5-6(-8) mm, base cuneate, apex rounded to retuse. Racemes 0.3-2(-3) cm in fruit. Fruiting pedicels (4-)5-9(-11) mm. Flowers: sepals white or purplish, spreading or reflexed, 3-5(-7) × 0.2-0.3 mm; petals white or pink, broadly obovate to spatulate, 4-9 mm, blade 2-5 × 1.5-3 mm, claw 2-4 mm, nearly smooth or obscurely papillate, margins entire; filaments 6-8(-10) mm; anthers 1-1.5 mm; gynophore slender, (5-)7-11 mm. Fruits 2-4(-5) cm × 0.7-1 mm; ovules 32-54 per ovary; style rarely to 0.1 mm. Seeds 0.6-0.8 × 0.4-0.5 mm.
Flowering Jul-Sep. Sandy areas, scrublands, sand hills, fields, open banks, oak-pinyon woods, roadside embankments; 0-150 m; Ala., Fla., Ga., N.C., S.C.
Although Warea cuneifolia is fairly widespread in Georgia and South Carolina, it is known in Alabama only from Pike County, in Florida from Gadsden and Liberty counties, and in North Carolina from Harnett and Hoke counties.