Common Name: stinging nettleScientific Name: Urtica dioica L.Family Name: Urticaceae - Nettle FamilyIdentification NotesLife Cycleintroduced perennial, reproducing by seed and creeping roots Stemserect, unbranched, bristly stinging hairs, hairy, somewhat 4-sided Leavesopposite, broad to narrowly ovate, bases heart-shaped, petioled, coarsely toothed, smooth or hairy, stinging hairs absent or present, stipule present Flowersgreenish-white, very small, monoecious; axillary spike clusters above, spikes branched and usually four per node, long, male and female at different leaf axils