Family - Cyperaceae

Stems - No info yet.

Leaves - No info yet.

Leaf sheath.

Ligule.

Inflorescence - No info yet.

Staminate inflorescence.

Flowers - No info yet.

Pistillate flowers.

Fruits.

Flowering - April - July.

Habitat - Mainly in river floodplains. Also in wetlands, wet prairies, sloughs, sinkhole ponds, fens, ditches.

Origin - Native to U.S.

Other info. - This large species can be found in many Missouri counties but appears to be absent from much of the central Ozark region and many land-locked northern counties.
The plant can form large colonies in river floodplain areas. The leaves are typically bluish-green and glaucous.
This species and another, C. lacustris Willd., are very similar and hard to differentiate. C. lacustris is much less common in Missouri and is only found in a few northwestern Missouri counties.

Photographs taken at Eagle Bluffs Conservation Area, Boone County, MO., 4-21-04.