It grows to between 2 and 7 metres high and has warty stems.
Its spores are also longer, warty, and measure 8.511 by 56 m.
The warty oreo has a dark gray colour and is black-finned.
The rachis is smooth to slightly warty and covered in scales that range from tan to brown or dark brown.
The stipe is finely warty and bears numerous glossy scales with fragile edges.
It is well-adapted to urban areas; its elm-like shape and warty bark make it an attractive landscape tree.
The rachis and stipe are slender, black brown, warty and covered with brown scales.
The upper surface is also smooth, or may be slightly warty.
