Sadleria cyatheoides, commonly known as amaumau fern or amau, is a fern species in the family Blechnaceae.
Description Reaching a height of and a trunk diameter of , amau resembles a small tree fern.
The young fronds are often tinged red to block harmful sunlight.Read on a sign in Hawaii Volcanoes National Park on 31.10.2013
Distribution and habitat It is endemic to Hawaii and inhabits lava flows, open areas, and wet forests on all major islands up to an altitude of .
Uses Its pith and young fronds are edible either roasted or steamed.
In culture Kīlauea's Halemaʻumaʻu is named for this species.
References
External links Sadleria cyatheoides. NatureServe. 2012.