Cibotium glaucum (Sm.) Hook. & Arn.

Hapu'u (en)

Species

Pteridophytes > Cyatheales > Cibotiaceae > Cibotium

Characteristics

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.
Life form perennial
Growth form tree
Growth support -
Foliage retention evergreen
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 2.4 - 3.35
Root system -
Rooting depth (meter) 0.3
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

An understorey plant in mesic to wet forests, usually at elevations of 450-1,500 metres but sometimes descending to almost sea level.
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It is a tropical plant. It is probably damaged by frost. It suits hardiness zones 9-11.
Light 5-6
Soil humidity 5-6
Soil texture -
Soil acidity 5-6
Soil nutriment -
Hardiness (USDA) 9-10

Usage

Starch is extracted from the stump.
Uses medicinal
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

It can be grown from spores or basal shoots. Trunk cuttings root easily.
Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Cibotium glaucum leaf picture by Michael Finch (cc-by-sa)
Cibotium glaucum leaf picture by Michael Finch (cc-by-sa)
Cibotium glaucum leaf picture by Michael Finch (cc-by-sa)

Distribution

Cibotium glaucum world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:17069480-1
WFO ID wfo-0001108900
COL ID V59Q
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Cibotium st-johnii Dicksonia glauca Cibotium glaucum