'ape'ape
'Ape'ape is not common. However when you see it, you should be able to identify it right away because of its monster size leaves. It grows at high elevation. It looks like taro leaves, but these plants were here on the islands before the introduction of taro.
Background Information
'Ape'ape is endemic to the Hawaiian Islands. This species is called Gunnera petaloidea.
Waianae Mountains
Sources