
Seedling
leaf has parallel veins and a shiny surface
leaves emerge opposite in one plane
stem is triangular
young plant arises from a seed
Mature plant
flower head forms at upper end of stemlike leaf
blooms mid-season, 60 to 70 days after flooding
stands 2 to 3 feet high
Management
Herbicides give acceptable control
Note: Do not use Londax on resistant biotypes
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