Corkybark (Gyrostemon ramulosus)

A tall shrub or small tree up to 8 m in height, which grows on the coastal plain mainly to the north of the Swan River.  As its common name suggests, its bark is corky.  The thread-like leaves are bright green and fleshy.

Ref: “Leaf and branch: trees and tall shrubs of Perth” by Robert Powell. Published by the Western Australian Department of Environment and Conservation, 2009.