Silver tree fern (Cyathea dealbata)

''Cyathea dealbata'', also known as the silver tree-fern or silver fern, or as ponga /ˈpɒŋə/ or punga /ˈpʌŋə/ , is a species of medium-sized tree fern, endemic to New Zealand. It is a symbol commonly associated with the country both overseas and by New Zealanders themselves.

This fern is known to grow to heights of 10 m or more . The crown is dense, and the fronds tend to be about 4 m long and have a silver-white colouration on the undersides. This distinctive silver colouration.. more