Bogbean

Also known as:
Buckbean
Family:
Menyanthaceae
Origin:
Asia, Europe, and North America.

General description

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.

Site management

Recommended approaches

Report immediately to ARC Biosecurity staff ph 09 366 2000 or biosecurity@arc.govt.nz

Caution: when using any herbicide or pesticide PLEASE READ THE LABEL THOROUGHLY to ensure that all instructions and safety requirements are followed.

RPMS status

Surveillance - Whole Region
National Pest Plant Accord species - nationwide
bogbean - Main species image