Stinging Nettle (Urtica holosericea)
Leaf: coarsely saw-toothed. 2 to 5 inches long on stem.
The stems are covered with barbed hairs that release formic acid when they
pierce the skin. |
![](LowResPlant/StgNtl02.jpg) |
Leaf: Big Canyon - 6-Jun-02 |
![](LowResPlant/StgNtl05.jpg) |
Leaf: Big Canyon - 8-Dec-03 |
Date: 12/8/2003 |