Leaves 3-12 mm wide, soft, flexible, glabrous or nearly so. Scape (4-)5-13(-27) cm. Inflorescences racemose, 1-3(-7)-flowered; proximal 2 flowers, when present, not paired; bracts (3-)5-20(-80) mm. Flowers: tepals 4-8(-11) × 0. 5-2.1 mm, 2 or less times longer than pedicel, usually 2 or less times longer than ovary; anthers 1-1.8 mm; ovary cylindric, (2-)3-6(-7) × 1-3 mm, glabrate or sparsely pubescent; pedicel (2-)5-12(-20) mm, usually shorter than bracts. Seeds black, lustrous, 1.2-1.6 mm, coarsely muricate.
Flowering year round. Riverbanks, floodplains; 0--100 m; Ala., Fla., Ga., La., Miss., N.C., S.C., Tex., Va.
When not in flower, the rosettes of Hypoxis curtissii can be easily mistaken for Cyperus, which grows in the same habitats.