A distinctive feature is the retention of dead fronds as a skirt. The skirt is not the whole frond, only the central rachis, making it a more compact skirt than that of Dicksonia fibrosa, another skirt clad tree fern.
One distinctive characteristic is the preservation of dead fronds to form a skirt. This skirt consists solely of the central rachis and is more compact than that of Dicksonia fibrosa, which also has a skirt-like structure.