Dig deeper at SERNEC, a consortium of southeastern herbaria.
C. socialis differs from its closest relative, C. radiata (the default "star sedge" of floodplains), by its elongate and tough, horizontal, knotty rhizomes, thus forming spreading colonies. Read more at Vascular Plants of North Carolina.
Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Commelinids: Poales
WEAKLEY'S FLORA (10/20/20):
Carex socialis
FAMILY
Cyperaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Carex socialis
FAMILY
Cyperaceae
COMMON NAME:
Low Woodland Sedge
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Bruce A. Sorrie bas_c_socialis3ehab
May Bladen County NC
Roadside
Culms arise scattered along creeping rhizomes [not in tight clumps], per Weakley's Flora (2020).
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Bruce A. Sorrie bas_c_socialis9e
May Bladen County NC
Perigynia 4-5× long as wide, per Weakley's Flora (2020).