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Stinging Nettle
Urtica dioica
43.1594, -79.2469
Field Notes
Description:
The plant has many hollow stinging hairs called trichomes on its leaves and stems, which act like hypodermic needles that inject histamine and other chemicals that produce a stinging sensation when contacted by humans and other animals.
Stinging nettle is a dioecious herbaceous perennial, 1 to 2 m (3 to 7 ft) tall in the summer and dying down to the ground in winter.
Habitat:
Temperate forest, native to Europe, Asia, northern Africa, and North America
Notes:
I brushed up against this stinging nettle while I was trying to photograph a mushroom. It definitely stings!
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