Cyperus retrofractus (L.) Torr.
Family - Cyperaceae
Stems - No info yet.
Base of plant.
Leaves - No info yet.
Inflorescence - No info yet.
Flowers - No info yet.
Flowering - July - October.
Habitat - Sand prairies, openings of dry upland forests, roadsides, fallow, sandy fields, dry, disturbed, sandy areas.
Origin - Native to U.S.
Other info. - This species can be found in just a handful of southeastern Missouri counties in the bootheel of the state. The plant is fairly distinctive with its reflexed spikes. Another species, C. plukenetii Fern. is very similar and the differences between the two species are small.
Photographs taken in the Tuskeegee National Forest, Macon County, AL., 10-9-04.