Persicaria amphibia
Flowers July-September. Deep pink spikes. Has two forms, adapted to both water and land habitats.
Soil moisture tolerances
It is found on sites with less than 10 weeks dry soil per year and more than 20 weeks wet soil per year. It is a plant of wetter places.
Soil fertility tolerances
It is typically found on moderately fertile sites (10-25 mg P/kg) or P index 1-2.
Suitability for floodplain living
Amphibious bistort copes with floods by rapidly extending its stem to allow its leaves to float on the water’s surface just like a water lily.
