English: Canada nettle; Wood-nettle.
Region: central North America.
Habitat: open woods with moist rich soils, along streams, in drainages.
BotanyHerb; annual or perennial; 30 to 150 centimeters high.
Roots: tuberous, rhizomatous roots.
Stem: stinging and non stinging hairs.
Leaves: stinging and non stinging hairs.
Flowers: whitish green.
StingWhen the stinging nettles come in contact with the skin, the unlucky individual is dealt a painful burning stinging sensation, sometimes with barbs left in the skin. The skin can turn red and blister, and blisters can last for several days.