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Carex barrattii
''Carex barrattii'' is a species of sedge known by the common name Barratt's sedge. It is native to the United States, where it occurs on the Atlantic Coastal Plain from Connecticut south to Georgia and Alabama. It also occurs in the southern Appalachians.〔(''Carex barrattii''. ) The Nature Conservancy.〕
This sedge has stems growing 20 to 90 centimeters tall.〔(''Carex barrattii''. ) Flora of North America.〕 The leaves are a few millimeters wide and pale blue-green in color. The plant produces dark purple flower spikes, but flowering occurs rarely. The plant reproduces vegetatively via rhizome.〔(''Carex barrattii''. ) Center for Plant Conservation.〕
This plant grows on wet streambanks and savannas, and in pine barrens. It is not uncommon in the Pine Barrens of New Jersey.〔 Most of the known populations occur there. It is most often found in open, sunny areas on acidic soils. Associated plants include ''Acer rubrum'', ''Chamaedaphne calyculata'', ''Clethra alnifolia'', ''Sphagnum'' sp., ''Spiraea tomentosa'', ''Vaccinium corymbosum'', ''Carex stricta'', ''Carex vesicaria'', and ''Scirpus cyperinus''.〔
This plant requires disturbance, such as wildfire, and it is found in habitat that is fire-dependent, such as pine barrens. It does not tolerate shade.〔
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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