Tree Fern Crozier Unfurling - Devastation Trail, Kilauea Iki
Sadleria cyatheoides (thanks to endemanf for the correct ID)
- growing under Metrosideros polymorpha
near the Kilauea Iki crater - which erupted in 1959.
For a fascinating account of the invasion, early succession and recovery of vegetation 1959 Kilauea Iki volcano, see Hawaii: The Fires of Life by Garrett A. Smathers and Dieter Mueller-Dombois.