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pickerelweed

American  
[pik-er-uhl-weed, pik-ruhl-] / ˈpɪk ər əlˌwid, ˈpɪk rəl- /

noun

  1. any American plant of the genus Pontederia, especially P. cordata, having spikes of blue flowers, common in shallow fresh water.


pickerelweed British  
/ ˈpɪkərəlˌwiːd, ˈpɪkrəl- /

noun

  1. any of several North American freshwater plants of the genus Pontederia, esp P. cordata, having arrow-shaped leaves and purple flowers: family Pontederiaceae

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of pickerelweed

First recorded in 1645–55; pickerel + weed 1