Koru - The unfolding spiral tipped shoots of the New Zealand silver fern plant become new fern fronds. Thus the reference to new life or a new start. Especially in Maori culture, these Koru have a strong symbolical meaning.
The curled Ponga (Tree Fern) koru. The koru is the budlike beginning of a fern leaf before it opens. The symbol is prominent in traditional Maori art motifs such as bone and wood carvings, and tattoos (moko).