Hapu'u, Hawaiian tree fern
Cibotium glaucum
Family: Dicksoniaceae
What it is like
A tree fern. It can be erect or sometime lie over. The trunk is 3 m long and 16 cm across. There are often shoots along the trunk, especially when the trunk lies over. The fronds can be divided 2 or 3 times. They are white on the underside. They are 1-3 m long. There are reddish brown hairs at the base of the stalk.
There are 10-15 Cibotium species. They occur in the Pacific.
Where it is found
It is a tropical plant. It is probably damaged by frost. It suits hardiness zones 9-11.
Countries/locations it is found in
Australia, Hawaii, Pacific, USA
How it is used for food
Starch is extracted from the stump.
Edible parts
Trunk - starch
How it is grown
It can be grown from spores or basal shoots. Trunk cuttings root easily.
It is slow growing.
Its other names
Local names
Synonyms
Dicksonia glauca J.E.Smith; Cibotium st-johnii Krajina;