Perennial, creeping rootstock, thick green stems trail along the water surface. Very characteristic light green hairless leaves, in groups of threes (alternate on the stem), die back in winter. In early summer long stalks bear white to pale rose coloured flowers (2.5 cm across) clustered together in a thick short spike. Inner petals white and hairy with reddish stamens. Flowers produce round orange seeds.
Ponded areas, bogs and marshes, at the fringes of lakes or slow flowing rivers..
Seeds (not yet seen in field), stem extension, and fragmentation.
Bogbean grows rapidly and clogs waterways.
Report immediately to ARC Biosecurity staff ph 09 366 2000 or email@example.com
Caution: when using any herbicide or pesticide PLEASE READ THE LABEL THOROUGHLY to ensure that all instructions and safety requirements are followed.