Menyanthes trifoliata
Notifiable Organism, Unwanted Organism, National Pest Plant Accord
Bogbean
- Scientific Name
- Menyanthes trifoliata
- Origin
- Native to temperate Northern Hemisphere
- Type
- Weed
- Plant Life-form Type
- Marginal sprawling
- Taxonomy
- Tournef.
- Presence
- Nationally eradicated, first record from Darfield, Canterbury in 1976
- Habitat
- Only found in an ornamental pond and irrigation race in New Zealand, found in nutrient poor waters in native range
- Notes
- A potential sprawling emergent weed in peaty areas.
- Propagation
- Spreads by seeds, stem extension, and fragmentation, Can establish rapidly from stem fragments. Seeds have not been seen in the field in New Zealand
- Features
- Sprawling emergent perennial herb. Leaves appear in threes at the end of stems (like the leaves of broad bean). Leaflets are elliptical to obovate, 3-10 cm long, 1-5 cm wide, entire or sometimes coarsely toothed. Leaves are all basal, with the petiole bases arranged alternately on the creeping stem. Flowers have five petals, pinkish-white in colour, with long white hairs on the top surface. Flowers are about 2.5 cm across.
- Source
- TIFBIS
- Regional
- Regional Pest Management Strategy: AUK.