Belongs to: dock family

Amphibious bistort Polygonum amphibium

Best time to see: Jul to mid Sep

Key facts

A vigorous aquatic plant with spikes of pink flowers that 'creeps' by rooting at the leaf junctions

Grows both in and near slow-flowing water

The terrestrial form Polygonum bistorta is taller with longer, thinner leaves, and patch-forming

© Tony Gunton

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