A carnivorous water plant with tiny bladder-like traps that suck in small aquatic creatures as food.
From Old English 'blædre' (bladder) + 'wyrt' (plant/herb). Named for the small bladder-shaped structures that function as active suction traps to capture prey.
This is one of the most sophisticated carnivorous plants—its bladders create a vacuum and suck in tiny water fleas in milliseconds, making it faster at catching prey than almost any other plant on Earth!
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