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Related to Urtica dioica: urticaria, stinging nettle, Cissus quadrangularis, Urtica urens
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|Noun||1.||Urtica dioica - perennial Eurasian nettle established in North America having broad coarsely toothed leaves with copious stinging hairs|
nettle - any of numerous plants having stinging hairs that cause skin irritation on contact (especially of the genus Urtica or family Urticaceae)