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Pontederia cordata Linnaeus var. cordata. Common name: Heartleaf Pickerelweed. Phenology: May-Oct. Habitat: Swamps, seepage areas, marshes, pond-shores, lake-shores. Distribution: NS west to MN, south to s. FL and TX; Belize; s. Brazil, Argentina, Paraguay, and Uruguay.

Origin/Endemic status: Native

Taxonomy Comments: The recognition of infraspecific taxa in Pontederia cordata is controversial and requires additional study.

Other Comments: P. cordata exhibits tristyly, an interesting breeding system. Each plant has one of 3 types of flowers: (a) a short style, 3 medium and 3 long stamens, (b) a medium style, 3 short and 3 long stamens, or (c) a long style, 3 short and 3 medium stamens.

Synonymy ⓘ: = GW1, Meso6, Mo1, Tx, Va, Lowden (1973); = Pontederia cordata L. — F, G, S, S13, WV; < Pontederia cordata L. — Ar, C, Can, ETx1, FNA26, Il, K4, NcTx, NE, NS, NY, Pa, POWO, RAB, Tat, Tn, W, WH3; Pontederia cordata L. Basionym: Pontederia cordata L. 1753

Links to other floras: < Pontederia cordata - FNA26

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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 ⓘ: 8

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image of plant© Scott Ward | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Alan Weakley source | Original Image ⭷
image of plant© Alan Weakley source | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Alan Weakley source | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Collectors SOS | Original Image ⭷

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Horticultural Information

NCBG trait

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native range: eastern N. America to S. America



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