Purple shamrock, or Oxalis triangularis, is also known as lucky shamrock. This 6-inch-tall plant grows in clumps and has four triangular-shaped purple leaves with rose markings. Funnel shaped flowers ...

A bushy evergreen shrub with green-edged yellow, and occasional purple striped leaves and deep purple stems in winter. Purple-blue flowers are produced throughout the summer ...

They have delicate, five-petaled pink or white flowers and foliage that varies in colors including deep, almost-black purple ...

Of course, shamrocks are normally green but you can actually find purple or white ... the two plants also represent different ...