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Pontederia cordata Linnaeus var. lancifolia (Muhlenberg ex Elliott) Torrey. Lanceleaf Pickerelweed. Phen: May-Oct. Hab: Marshes, pond-shores, lake-shores. Dist: S. MA (alleged to occur as far north as ME, but these reports may be entirely based on misidentifications of var. cordata) to s. FL, west to e. TX, mostly on the Coastal Plain, with a few records around the Great Lakes; Cuba; s. Brazil, Argentina, Paraguay, and Uruguay.

Origin/Endemic status: Native

Taxonomy Comments: A third variety of P. cordata, var. ovalis (Martens in Roemer & J.A. Schultes) Solms, is restricted to South America.

Synonymy: = GW1, Lowden (1973); = Pontederia cordata L. var. lanceolata (Nutt.) Griseb. – Tx; = Pontederia lanceolata Nutt. – F, G, S, S13; < Pontederia cordata L. – C, ETx1, FNA26, K1, K3, K4, NcTx, NE, Pa, RAB, Tn, W, WH3

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL (taxonomic split from wetland indicator species)
  • Eastern Mountains and Piedmont: OBL (taxonomic split from wetland indicator species)
  • Great Plains: OBL (taxonomic split from wetland indicator species)
  • Midwest: OBL (taxonomic split from wetland indicator species)
  • Northcentral & Northeast: OBL (taxonomic split from wetland indicator species)

Heliophily ?: 9

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image of plant© Scott Ward | Original Image ⭷
image of plant© Alan M. Cressler | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷

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