'Ama'uma'u fern fiddlehead (Sadleria cyatheoides); endemic to Hawaii.

ama'uma'u amaumau fern sadleria cyatheoides fiddlehead frond shoot tree fern endemic native species hawaii hawaiian island islands tropical tropics pacific flora plants rainforest forest big island nature natural shape curl spiral design scenic detail closeup close up vertical greg vaughn gv6034 1214