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*[http://plants.usda.gov/java/profile?symbol=POCO14 PLANTS Profile for ''Pontederia cordata'']
*[http://plants.usda.gov/java/profile?symbol=POCO14 PLANTS Profile for ''Pontederia cordata'']
*[http://planthardiness.gc.ca/ph_spp_intro.pl?speciesid=1005338 ''Pontederia cordata''], Natural Resources Canada
*[http://planthardiness.gc.ca/ph_spp_intro.pl?speciesid=1005338 ''Pontederia cordata''], Natural Resources Canada
*[http://www.flowersinisrael.com/Pontederiacordata_page.htm Pontederia cordata] Flowers in Israel


==References==
==References==

Revision as of 03:53, 22 May 2011

Pickerelweed

Secure  (NatureServe)[1]
Scientific classification
Kingdom:
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Order:
Family:
Genus:
Species:
P. cordata
Binomial name
Pontederia cordata

Pontederia cordata, commonly known as Pickerelweed, is a monocotyledonous aquatic plant native to North and South America. It can be found on pond and lake margins across an extremely large range from eastern Canada south to Argentina. The species is tristylous, meaning the styles of individual plants occur in three different morphs, with most populations containing all three. Leaf shape, which varies considerably across populations, within populations, and even within individuals, has been the source for many taxonomic synonyms.[2]

Ottawa, Ontario

Media related to Pontederia cordata at Wikimedia Commons

References

  1. ^ NatureServe (2006), "Pontederia cordata", NatureServe Explorer: An online encyclopedia of life, Version 6.1., Arlington, Virginia, retrieved 2010-07-25{{citation}}: CS1 maint: location missing publisher (link)
  2. ^ Adanson, Narukila; Rafinesque, Umsema; Rafinesque, Unisema (2002), "Pontederia cordata", in Flora of North America Editorial Committee, eds. 1993+ (ed.), Flora of North America, vol. 26, New York & Oxford: Oxford University Press, p. 45{{citation}}: CS1 maint: numeric names: editors list (link)