Anat0485
Urtica dioica (stinging nettle).
Anat0486
Intact stinging hair on Urtica dioica (stinging nettle).
Anat0490
Intact tip of Urtica dioica (stinging nettle) stinging hair.
Anat0487
Intact tip of Urtica dioica (stinging nettle) stinging hair.
Anat0491
Intact tip of Urtica dioica (stinging nettle) stinging hair.
Anat0488
Broken tip of Urtica dioica (stinging nettle) stinging hair.
Anat0489
Dendrocnide (stinging tree) at the Iowa State University greenhouse. Plant must be treated as venomous.
Anat0484
Dendrocnide (stinging tree) stinging hair (SEM).
Anat0481
Dendrocnide (stinging tree) leaf cross section showing base of a stinging hair (SEM).