It's leaves are shaped like ash trees but in leaves of three like a club suit of the playing card and they are going to be shiny. Even when the plant is dormant for winter it is poisonous. The leaf stems are going to be long and viny lookin...
http://answers.yahoo.com/question/index?qid=20080807103...
So that when people like you eat them, they die. In other words a defence mechanism.
http://wiki.answers.com/Q/Why_do_some_plants_contain_po...
There are many websites. A good one is the Canadian Arboreteum
http://wiki.answers.com/Q/Which_plants_are_poison_to_do...
Oil is formed over millions of years, decaying plants and organic matter being compressed. Since oil originated from plants, it cannot actually poison them. Some forms of engine oil will poison plants because they are synthetic, or has been...
http://wiki.answers.com/Q/Does_oil_poison_plants
No reason to think so. But proliferation of chemicals may be advantageous to invasive species - competitive advantage
https://www.msu.edu/course/plb/203/notes/snotes/10_06_0...
Poison ivy is very difficult to spot. It resembles several other common garden plants, and can also blend in with plants/weeds.
http://www.chacha.com/question/is-poison-ivy-a-plant
Yes, Uroshiol is carried in the smoke form burning leaves or brush. If you think you have inhaled the oil, see your physician immediately; this can be a very serious condition. In several states it is illegal to burn poison plants. NEVER BU...
http://www.poisonoakandivy.com/information.html