Dulichium arundinaceum Three-Way Sedge

General

A wetland sedge growing on shore edges and in shallow water, or in wet meadows. This species can form dense mats of vegetation, providing excellent cover for smaller wildlife.

Plant Description

Usually growing in dense mats 1-2' tall. Hollow, cylindrical stems. Flowers are racemes with spikelets. Looking at the plant from directly above, the narrow leaves stick out in three directions, which is where Dulichium arundinaceum gets its common name.

Height (ft)
1-2'

Soil moisture
Wet (often found in shallow water)

Soil types
Variable textures, rich soils

Wetland indicator
OBL

Shade tolerance
Intermediate, Full Sun to Partial Shade

Bloom color
Brown

Bloom period
Summer

Drought tolerance
Low

Salinity tolerance
None

 

Range

Common throughout the eastern half of the United States, most common in the northeast, along the Atlantic coast, and in areas surrounding the Great Lakes. Some populations in the Pacific Northwest, and in California. Rare populations in Wyoming, Nebraska, Oklahoma, Arkansas and Louisiana.

Kartesz, J.T. 2024. Floristic Synthesis of North America, Version 1.0. Biota of North America Program (BONAP) [website http://bonap.org/]

Additional Information