Cyperus lupulinus (Spreng.) Marcks ssp lupulinus - Great Plains Flatsedge

Cyperus lupulinus plant

Family - Cyperaceae

Stems:

Cyperus lupulinus baseBase of plant.

Leaves:

N/A

Inflorescence:

Cyperus lupulinus inflorescence

Flowers:

Cyperus lupulinus spikelets

Flowering - June - October.

Habitat - Dry, open pinelands, sandhills, fields.

Origin - Native to North America.

Other information - This species can be found in just a handful of Alabama counties that contain its sandy habitat. The plant can be identified by its habitat, capitate, globose cluster of compressed spikelets, and its very thin leaves. The rhizomes of this species are short and knotty.
The genus name Cyperus is from the Greek "cyper(us)" meaning "a rush or sedge."
The species epithet lupulinus derives from the Latin "lupul(us)" meaning "the hop plant" probably referring to the compressed spikelets which slightly resemble hops.

Alabama Distribution:

Cyperus lupulinus map

Photographs taken at Fort Benning, GA., 8-11-05.


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