Plant, any member of the plant kingdom—a realm of nature made up largely of living organisms that make their own food. Plant life in general is called vegetation. Flora refers to the plant life of a particular locality or geologic age. The scientific study of plants is called botany. Traditionally, biologists have placed bacteria, fungi, slime molds, and algae in the plant kingdom; today, most biologists place them in other kingdoms.
Pollen grains are, in essence, plant sperm. But how do the grains get where they need to go, and what's the advantage of trusting your genetic future to the winds?
They call kudzu the plant that ate the South for a reason. How did this leafy green legume make its way here all the way from Asia, and how has it managed to devour entire buildings?