Evergreen, a plant that retains its leaves throughout the year. The term evergreen is usually used in describing trees and shrubs. Most evergreens are narrow-leaved and bear cones rather than flowers. Examples are spruce, hemlock, pine, and fir. Some evergreens are broad-leaved and bear flowers. Examples are mountain laurel, holly, and common myrtle.
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?
Have you ever suspected your neighbor was up to something illegal? He's always home and he gets midnight deliveries. Doesn't he have a job? Maybe he does, just not the kind you think.