Pine Barren Nutsedge; Retrorse Flatsedge

Cyperus retrorsus

FamilyCyperaceae

Description: Tufted perennial to 80 cm tall with leaves 2-6 mm wide.  Spikelets 3-5 mm long.  Achenes 1.3-1.5 mm long.  Cylindrical inflorescence.

Location: Sandy openings, prairies, and dunal areas.  Southeastern U.S. from southern New York and Massachusetts south to Florida and west to Texas and Tamaulipas, Mexico.

Soil Type: Sand

Trivia: “Retrorse” means “turned backward or downward,” referring to the perigynia of the spikelets that face downward when mature.

Bloom: Apr-Dec

Importance: