A genus of aquatic plants commonly found in freshwater tanks and aquariums, known for their broad leaves and spiky seed pods.
From Greek echinos (hedgehog) + dorus (spear), named for the spiky appearance of their seed capsules that resemble a hedgehog or sea urchin.
Aquarium enthusiasts know these plants well—the name 'Echinodorus' perfectly describes how their developing seed pods look like tiny hedgehogs growing underwater.
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