Nymphoides geminata
Unwanted Organism, National Pest Plant Accord
Marshwort
- Scientific Name
- Nymphoides geminata
- Origin
- Australia
- Type
- Weed
- Plant Life-form Type
- Floating-leaved
- Taxonomy
- (R. Br.) Kuntze
- Presence
- Locally naturalised, eradicated from most known sites, first record from Lake Okareka, Bay of Plenty in 1985
- Habitat
- Still and slow flowing water bodies
- Notes
- Problem in still water bodies, poor dispersal capacity has limited spread.
- Propagation
- Vegetative spread by creeping stem growth and fragmentation. Deliberate plantings
- Features
- Underwater stem creeping or floating near the surface, with leaves and roots at each note. Leaves are heart-shaped and up to 10 cm across. Bright green on upperside and often pinkish on the underside. The main vein is indistinct. Flowers are bright yellow, with 5 petals that have fringed marginal wings.
- Source
- TIFBIS
- Regional
- Regional Pest Management Strategy: AUK, BOP, CAN, NSN/TAS, NTL, WKO.