Illustrator: Yevonn Wilson-Ramsey

Copyright: Flora of North America Association

Culms 10–50 cm × 0.4–1.7 mm. Leaves 12–40 cm × 0.8–3.5 mm. Inflorescences: spikes loosely to densely ovoid, 8–16 mm; rays 0or 1–4, 1–6 cm; bracts 2–4, 6–25 cm. Spikelets 15–40(–60), 6–22 × 3–4 mm; floral scales 5–22, 2.5–4 × 2–2.6 mm, margins not clasping achene. Achenes 1.7–2.2 × 0.8–1.2 mm.

Phenology: Fruiting summer
Habitat: Well-drained, open roadsides, fields, prairies
Elevation: 0–1700 m

Distribution

• Generated Map
• Legacy Map

Ont., Ark., Colo., Conn., Del., Idaho, Ill., Ind., Kans., Ky., Mass., Mich., Minn., Mo., N.J., N.Y., N.C., Ohio, Oreg., Pa., R.I., Tenn., Tex., Vt., Va., W.Va., Wis.

Discussion

Subspecies 2 (2 in the flora).

Selected References

None.

Lower Taxa

Cyperus lupulinus subsp. lupulinus, Cyperus lupulinus subsp. macilentus