Researchers Determine Plants Can Feel Pain
Researchers from Michigan State University discovered that plants have a rudimentary nerve structure which allows them to feel pain.

Can plants feel?
Research by scientists in Italy and Germany find plants communicate danger to plants nearby; and also call in help from other creatures.

PLANTS FEEL PAIN
killing plants for food is no less cruel than killing animals for food. "Plants are aware," says Dr. Williams, "and they feel pain!"

Scientists Prove Plants Feel Pain, Vegans Face Starvation
Research scientists at Baylor Medical Center have proven that plants, including vegetables, feel pain when subjected to trauma such as being yanked out of the ground.

Feel Plants' Pain
A letter from Andy Lei of UC Berkeley
Plants as Sensitive Agents
and excellent write up by Charles Allon
Galen Hieronymus
A wonderful interview with Galen Hieronymus. Anyone with half a brain would agree that his research proves plant consciousness.
Experiments prove plants have feelings
a good expination of plant feelings
Do Plants Plants Have Feelings?
A gardener ponders