pickerelweed
Noun
Words related to the picture: Pontederiaceae~N, Eichhornia crassipes~L, water hyacinth~N, free-floating~Adj, water orchid~N, pickerelweed~N, Pontederia crassipes~L
https://sv.wikipedia.org/wiki/Vattenhyacint#/media/File:Eichhornia_crassipes_A.jpgsource