3. Warea cuneifolia (Muhlenberg ex Nuttall) Nuttall, J. Acad. Nat. Sci. Philadelphia 7: 84. 1834; Cleome cuneifolia Muhlenberg ex Nuttall, Gen. N. Amer. Pl. 2: 73. 1818. TYPE: United States, S Georgia, sand barren grassy ridges, G. H. E. Muhlenberg s.n. (holotype, BM!).

Stanleya gracilis de Candolle, Syst. Nat. 2 : 512. 1821. TYPE: “in America Boreali inter Wateree et Longaree ex Bartram ” (holotype, BM!).

Herbs, somewhat glaucous. Stems often several branched above, rarely simple, (2–)3–6.5(–8) dm, slender. Cauline leaves petiolate; petioles of lower and middle leaves (0.5–)1–2(–3) mm, those of uppermost leaves obsolete; leaf blade linear-oblanceolate to oblanceolate, rarely linear, (0.7–)1–3(–4) cm x 1.5–6(–8) mm, base cuneate, margin entire, apex rounded to retuse. Fruiting racemes 0.3–2(–3) cm; fruiting pedicels divaricate, slender, deciduous, (4–)5–9(–11) mm. Sepals white or purplish, linear-oblanceolate, spreading or reflexed, 3–5(–7) x 0.2–0.3 mm; petals white or pink, 4–9 mm; blade broadly obovate to spatulate, 2–5 x 1.5–3 mm, margin entire, apex rounded; claw slender, 2–4 mm, nearly smooth or obscurely papillate; filaments 6–8(–10) mm; anthers linear, 1–1.5 mm; ovules 32–54 per ovary. Fruit linear, 2–4(–5) cm x 0.7–1 mm, recurved; gynophore slender, (5–)7–11 mm; style obsolete or rarely to 0.1 mm. Seeds brown, oblong, 0.6–0.8 x 0.4–0.5 mm.

Flowering: Jul–Sep.

Habitat: sandy areas, scrublands, sand hills, fields, open banks, oak-pinyon woods, roadsides.

Elevation: 0–150 m.

Distribution: United States (Alabama, Florida, Georgia, North Carolina, South Carolina).