If all four leaflets are the same size, you are probably looking at the wrong variety of clover. To know you've found a true four-leaf clover, look for one leaflet that's smaller than the others. This Scientific American video shows you how: How Science Can Help You Find a 4-Leaf Clover. However, you can improve your odds of finding lucky clovers. True four-leaf clovers are rare, with only about one in 10,000 plants carrying the lucky leaves. ' Trifolium' literally means three-leaved four-leaved plants are a genetic mutation. There are many variations of clover that always have four leaves, but the lucky ones come from the white clover plant, Trifolium repens. Some legends attribute them to faith, hope, love, and luck, while others say they'll bring fame, wealth, health, and faithful love. The four leaves were rumored to have mystical powers representing positive attributes. Among the Celtic, it was a common belief that a four-leaf clover could help people see fairies and avoid their mischief, a common source of bad luck.
Four-leaf clovers are an ancient Irish symbol of luck.