Norfolk Island Tree FernCyathea brownii (Norfolk tree fern)
Probably the largest tree fern species in the world It is reported to reach
20 metres (66 ft) or more in height. The broad, lance shaped, fronds can
reach 5 metres (16 ft)) in length. Stipe is long and has a line of white,
stitch like dashes along its length. Rachis and stipe are covered in
white-brown and darker orange-brown scales. The trunk can become
smooth with age and may display oval scars left from fallen fronds