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Edrastima uniflora (Linnaeus) Rafinesque. Oldenlandia. Phen: May-Oct. Hab: Pondshores, muddy drawdown shores, moist to wet ecotones of Coastal Plain streamheads, other moist to wet places. Dist: Mostly a species of the Southeastern Coastal Plain: NY (Long Island) south to s. FL and west to TX, north in the interior to MO. Alleged by some to be non-native, and of African origin (Ward 2012a). Discovered in PA Coastal Plain in 2009 (S. Grund, pers.comm., 2019).

Origin/Endemic status: Native

Synonymy: = K4; = Hedyotis glomerata Elliott, a later name; = Hedyotis uniflora (L.) Lam. – C, F, GW2, Rogers (1987); = n/a – Pa; = Oldenlandia uniflora L. – Ar, Fl5, G, Il, K1, K3, NY, RAB, S, Tat, Tn, Va, WH3, Terrell & Robinson (2006), Terrell (1991); > Hedyotis uniflora (L.) Lam. var. fasciculata (Bertol.) W.H.Lewis – Tx; > Hedyotis uniflora (L.) Lam. var. uniflora – Tx; > Oldenlandia fasciculata (Bertol.) Small – S; > Oldenlandia uniflora L. var. fasciculata (Bertol.) D.B.Ward – Ward (2012a); > Oldenlandia uniflora L. var. uniflora – Ward (2012a)

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACW (name change)
  • Eastern Mountains and Piedmont: FACW (name change)
  • Great Plains: FACW (name change)
  • Midwest: FACW (name change)
  • Northcentral & Northeast: FACW (name change)

Heliophily: 8

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image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Bruce Sorrie
image of plant© Bryan England | Original Image ⭷
image of plant© Jay Horn source
image of plant© Bruce Sorrie


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