A single molecule can pause plant growth within minutes under stress, offering new insight into survival strategies.

The old saying “leaves of three, let it be,” is meant to protect us from a rash from a poison ivy plant. However, Virginia Tech researchers point out there are many harmless three-leaf native plants ...

Poison ivy has a compound leaf made up of 3 leaflets which can be 1 to 4 inches long. The middle leaflet is the only one with a long stalk. Courtesy Johnson County Extension Just the mention of the ...