What does luckyclover mean?

Four-leaf clover, also known as lucky grass, is called alfalfa bur clover lucerne. Generally, there are only three small leaves, which are heart-shaped, and the darker part of the leaf heart is also heart-shaped. The most interesting and special thing is that among100000 alfalfa plants, you may only find one four-leaf clover, so it is called lucky clover because the probability is about one in 100000.