in J. Lamarck et al., Encyclopedie Methodique. Botanique... Supplement 3: 160. 1813.
Herbs, short-lived perennial, cespitose, 1.5–7 dm. Culms 1–30. Leaves basal, (1–)2–3; auricles 0.2–0.4(–0.6) mm, scarious; blade flat, 10–30 cm × 0.5–1 mm, margins entire. Inflorescences 5–15(–30)-flowered, usually somewhat loose, 1–5 cm; primary bract usually shorter than inflorescence. Flowers: chiefly along inner side of branches; bracteoles 2; tepals greenish, lanceolate, 3.3–4.4 mm; outer and inner series equal, apex acuminate; stamens 6, filaments 0.5–0.9 mm, anthers 0.4–0.8 mm; style 0.1–0.2 mm. Capsules tan or light brown, 3-locular, ellipsoid, (3.3–)3.8–4.7 mm, nearly equal to tepals. Seeds tan, ellipsoid to lunate, 0.5–0.6(–0.7) mm, not tailed. 2n = ca. 80.
Phenology: Flowering and fruiting spring.
Habitat: Exposed sites, usually with well-drained sandy soil, often associated with shallow bedrock
N.S., Ont., Ala., Ark., Conn., Del., Ga., Ill., Ind., Ky., La., Maine, Md., Mass., Mo., N.H., N.J., N.Y., N.C., Ohio, Okla., Pa., R.I., Tenn., Vt., Va., W.Va.