Poison ivy (Toxicodendron radicans) is a vine that contains an oily resin known as urushiol. According to the Centers for ...

Rising atmospheric carbon dioxide levels are causing poison ivy leaves to grow larger and produce more of the toxic oil. Produced by Jacqui Frank. Original reporting by Jessica Orwig. Follow BI ...

The leaves typically come in groups of three ... depending on the time of year. Like poison ivy and poison sumac, poison oak releases an oil called urushiol when it sustains damage.

Poison ivy annoys with its notorious skin rash ... A common mistake that some make is to characterize plants as having human intentions, said Pruiksma. It’s common to hear people refer to ...

The potato plant looks pretty attractive, but the leaves and stems are not edible. They contain solanine, arsenic, and ...

Poison Ivy thrives in a climate changed world. Plants grow faster, bigger and have more toxic oils with increasing concentration of CO2 in the atmosphere and higher temperatures. As warmer ...