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Rhynchospora decurrens Chapman. Swamp-forest Beaksedge. Phen: Jul-Aug. Hab: Swamp forests and river marshes, especially along blackwater rivers. Dist: Se. NC and e. SC (McMillan & Porcher 2005) south to c. peninsular FL and west to s. MS (Sorrie & Leonard 1999).

ID notes: This is a fairly robust species, as the stems are about a meter tall. The inflorescence is initially erect, eventually arching over. The seeds are dark brown, flat-sided or slightly bi-convex, with many transverse ribs. The seed beaks are triangular, and the bristles are as long as the seed body or slightly shorter.

Origin/Endemic status: Endemic

Synonymy: = FNA23, GW1, K1, K3, K4, RAB, WH3, Bridges & Orzell (2023) in Weakley et al (2023), Gale (1944), McMillan (2007); = Rynchospora decurrens – S, S13, orthographic variant

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL
  • Eastern Mountains and Piedmont: OBL

Heliophily: 9

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image of plant© Scott Ward | Original Image ⭷
image of plant© Godfrey and Wooten 1979 | Original Image ⭷
image of plant© Patrick McMillan | Original Image ⭷
image of plant© Patrick McMillan | Original Image ⭷


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