Cyperus lupulinus subsp. lupulinus

Endemic
Synonyms: Cyperus bushii Britton
Treatment appears in FNA Volume 23. Treatment on page 176.

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

V23 296-distribution-map.jpg

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

Selected References

None.

Lower Taxa

None.
Gordon C. Tucker* +, Brian G. Marcks* +  and J. Richard Carter * +
(Sprengel) Marcks +
Scirpus lupulinus +
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. +  and Wis. +
0–1700 m +
Well-drained, open roadsides, fields, prairies +
Fruiting summer +
Trans. Wisconsin Acad. Sci. +
Cyperus bushii +
Cyperus lupulinus subsp. lupulinus +
Cyperus lupulinus +
subspecies +