Waterplantain, Alisma spp.
Mature waterplantain
Waterplantain seedling
Seedling
leaves float on water surface
are elliptical, 2.5 to 3 times as long as broad
have reddish stalks
Mature plant
grows 3 to 4 feet high from bulbous base
leaves are prominently veined, elliptical
leaves lack basal lobes, a single leaf per stalk
flowers have 3 petals, white, green, or pink; held in whorls of three to ten
Management
Plow field thoroughly
Herbicides, properly timed

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Modified: 11 Sep 1997 Comments to jayoung@ucdavis.edu