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Ptisana salicina covering a hillside at the Burgess Park, New Plymouth.<br /> | Ptisana salicina covering a hillside at the Burgess Park, New Plymouth.<br /> | ||
[ | [[File:King fern Ptisana salicina Marattia salicina-001.JPG|frameless|upright 2.25]] | ||
Ptisana salicina growing at the Rogan Street entrance to Pukekura Park<br /> | Ptisana salicina growing at the Rogan Street entrance to Pukekura Park<br /> | ||
[ | [[File:Ptisana salicina King Fern .JPG|frameless|upright 2.25]] | ||
[ | [[File:Ptisana salicina king fern-1.JPG|frameless|upright 2.25]] | ||
New frond developing<br /> | New frond developing<br /> | ||
[[File:New frond of Ptisana salicina king fern 2-3.JPG|frameless|upright 2.25]] | |||
Underside of frond<br /> | Underside of frond<br /> | ||
[ | [[File:Ptisana salicina king fern-2.JPG|frameless|upright 2.25]] | ||
[[File:Ptisana salicina king fern-4.JPG|frameless|upright 2.25]] | |||
Close up of King fern sori<br /> | Close up of King fern sori<br /> | ||
[[File:King fern sori Ptisana salicina-1.jpg|frameless|upright 2.25]] | |||
Photo of Ptisana salicina frond bracts. The bracts at the base of the frond were a prized Maori delicacy.<br /> | Photo of Ptisana salicina frond bracts. The bracts at the base of the frond were a prized Maori delicacy.<br /> | ||
[ | [[File:Ptisana salicina King fern-1.JPG|frameless|upright 2.25]] | ||
Thanks to Wikipedia for text and information: | Thanks to Wikipedia for text and information: | ||
[https://creativecommons.org/licenses/by-sa/3.0/%20 https://creativecommons.org/licenses/by-sa/3.0/ ] | [https://creativecommons.org/licenses/by-sa/3.0/%20 https://creativecommons.org/licenses/by-sa/3.0/ ] | ||
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Latest revision as of 14:32, 24 September 2019
Kingdom:Plantae
Division:Pteridophyta
Class:Marattiopsida
Order:Marattiales
Family:Marattiaceae
Genus:Ptisana
Species: P. salicina
Binomial name: Ptisana salicina
Synonyms: Marattia salicina, Marattia fraxinea, Marattia fraxinea sensu
Common name: King fern, para, tawhiti-para, horseshoe fern.
Ptisana salicina is a species of fern native to New Zealand and the South Pacific. Large and robust with a distinctive tropical appearance, it has fronds up to 5 metres tall that arise from a starchy base that was a traditional food for the Maori. The green cane-like leaf stalks are 1 to 3 metres long. The young fronds are protected as they uncoil by a large ear-shaped basal lobe at the base. The glossy, dark green fronds are 4 metres, sometimes 5 metres long and 2 metres wide. The juvenile fronds are less robust and wilt quickly if exposed to sunlight.
King fern is in serious decline, seriously threatened throughout its range by feral and domestic cattle, wild pigs and goats. Large plants no longer exist except in areas where there has been rigorous control of animals.
Ptisana salicina covering a hillside at the Burgess Park, New Plymouth.
Ptisana salicina growing at the Rogan Street entrance to Pukekura Park
New frond developing
Underside of frond
Close up of King fern sori
Photo of Ptisana salicina frond bracts. The bracts at the base of the frond were a prized Maori delicacy.
Thanks to Wikipedia for text and information:
https://creativecommons.org/licenses/by-sa/3.0/
