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NZ Plants
Dicksonia fibrosa - wheki-ponga, kuripaka
Family: Dicksoniaceae
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Plant
L Jensen
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Plants on forest margin
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Crown of fronds
L Jensen
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Frond stalk (stipe)
L Jensen
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Stipe wilth hairs
L Jensen
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Sterile frond upper surface, midrib (rachis) wilth leaflets
L Jensen
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Sterile leaflets, upper surface
L Jensen
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Rachis with hairs
L Jensen
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Rachis, hair detail
L Jensen
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Sterile frond, lower surface
L Jensen
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Fetile frond upper surface
L Jensen
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Sterile frond lower surface with sori
L Jensen
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Young fertile leaflet, unopened sori
L Jensen
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Unopened sori
L Jensen
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Opened sori with sporangia
L Jensen
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Dicksonia fibrosa forms very stout trunks thickly covered by interwoven red-brown roots. Fronds are harsh to the touch, short-stalked, narrow and held erect. Dead fronds are persistent forming a dense skirt around the trunk.
An endemic species found throughout New Zealand.
Vegetative characteristics |
Fertile frond and sporangia |
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Plant form: a stout trunk up to 6 m with fronds up to 3 m in length |
Frond appearance: leaflets with inrolled margins |
Frond stalk, midrib: hairs |
Sporangium location: on lower frond surface |
Frond shape: narrow-elliptic |
Sporangium position: leaflet margin |
Frond blade: 3-4 pinnate (divided 3-4 x into leaflets or pinnae) |
Sporangia distribution: in groups (sori) |
Frond surface: harsh, leathery |
Sorus shape: circular |
Leaflets: oblong, pointed to rounded |
Sorus covering: reflexed margin and indusium |
