Plant
Arrowhead
Sagittaria sagittifoliaAlso known as Eurasian Arrowhead, Swamp Potato, Duck Potato
Eurasian arrowhead sprouts distinctive, arrow-shaped leaves above shallow waters while submerged foliage remains ribbon-like and flexible. Three-petaled white flowers with rich purple centers bloom on upright stems through midsummer, attracting bees and hoverflies. Beneath the mud, fleshy starch-rich tubers anchor the plant and serve as vital winter forage for waterfowl.
AquaticPerennialFlowering
—observations
—countries
—peak records
Least ConcernConservation statusIUCN Red List categoriesLCNTVUENCREWEXLeast ConcernRed List categories, explained →
Diet & preyPhotosynthetic (autotroph)
Predators
- Ducks
- Swans
- Muskrats
ThreatsWetland drainage, aquatic herbicide application, and habitat pollution
HabitatsShallow ponds, canal banks, marshes, and slow-moving rivers
Life spanPerennial (individual tubers survive winters)
Classification
- FamilyAlismataceae
- SpeciesSagittaria sagittifolia
Range data is not available yet.
Interaction riskLow
- Low
- Moderate
- High
- Very high
- Why interaction risk is low
- Safe to observe at a normal distance.
Responsible observation
- Spotting: Look for distinct arrowhead-shaped leaves emergent above shallow water in summer.
- Habitat Care: Avoid wading through dense mud where delicate tubers and roots anchor.
Image unavailableWetland Neighbor 
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