That's why people feel so lucky when they stumble across one. The origin of four-leaf clovers bringing good luck stems from ...

white clover (or Trifolium repens). According to Casey, four-leaf clovers “are as rare as the five-leaf clover, which is considered even luckier. The three-leaf clover is recognized as the ...

Leaflets are oblong to wedge-shaped and are serrated around the margin. Usually variegated with a white or red "watermark." Stems are smooth grow horizontally near the soil. The round head has white ...