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This fern is over 70 years old. It was planted in the Pukekura Park Fernery, New Plymouth. in 1939.<br /> | This fern is over 70 years old. It was planted in the Pukekura Park Fernery, New Plymouth. in 1939.<br /> | ||
[[File:Loxsoma cunninghamii-002.JPG|frameless|upright 2.25]] | |||
Young fern. Fronds are yellow-green and divided 3-4 times (3-4 pinnate).<br /> | Young fern. Fronds are yellow-green and divided 3-4 times (3-4 pinnate).<br /> | ||
[[File:Laxsoma cunninghamii-001.JPG|frameless|upright 2.25]] | |||
Pinnae, top surface - Pinnae (leaflets) lack hairs.<br /> | Pinnae, top surface - Pinnae (leaflets) lack hairs.<br /> | ||
[[File:Loxsoma cunninghamii-002.JPG|frameless|upright 2.25]] | |||
Localised areas on the margins are turned under where sori are attached on the underside.<br /> | Localised areas on the margins are turned under where sori are attached on the underside.<br /> | ||
[[File:Loxsoma cunninghamii-003.JPG|frameless|upright 2.25]] | |||
Pinnae, lower surface - Sporangia are grouped into sorus borne in notches of the ultimate frond segments. <br /> | Pinnae, lower surface - Sporangia are grouped into sorus borne in notches of the ultimate frond segments. <br /> | ||
[[File:Loxsoma cunninghamii-004.JPG|frameless|upright 2.25]] | |||
Each sorus is borne on a short stalk and enclosed by a tubular cup (indusium). As sporangia mature, they protrude from the indusium. The photo below is of | Each sorus is borne on a short stalk and enclosed by a tubular cup (indusium). As sporangia mature, they protrude from the indusium. The photo below is of developing sori[[File:Loxsoma cunninghamii-006.JPG|frameless|upright 2.25]] | ||
Developed sori with spores. Click photo to enlarge.<br /> | Developed sori with spores. Click photo to enlarge.<br /> | ||
[ | [[File:Loxsoma cunninghamii-004.JPG|frameless|upright 2.25]] | ||
Thanks to Wikipedia for text and information: [https://creativecommons.org/licenses/by-sa/3.0/%20 https://creativecommons.org/licenses/by-sa/3.0/ ] | Thanks to Wikipedia for text and information: [https://creativecommons.org/licenses/by-sa/3.0/%20 https://creativecommons.org/licenses/by-sa/3.0/ ] | ||
Latest revision as of 14:53, 24 September 2019
Kingdom: Plantae
Division: Pteridophyta
Class: Pteridopsida
Order: Cyatheales
Family: Loxsomataceae
Genus: Loxsoma
Species: L. cunninghamii
Binomial name: Loxsoma cunninghamii
Loxsoma cunninghamii is the only species in the genus Loxsoma. It occurs in Northland, Auckland, and Coromandel and it does not occur naturally anywhere else in the world. The closest relative of Loxsoma is in South America. Although related to tree ferns, Loxsoma cunninghamii does not form a trunk. It can be recognised by its reproductive structures which are held in cup-like structures that project from the margins of the undersides of the highly divided fronds. (See photo below) Loxsoma cunninghamii has long-creeping rhizomes and chestnut brown stipes which are up to 20- 60cm long.
It is a rare fern and is hard to transplant. It should never be removed from the wild.
This fern is over 70 years old. It was planted in the Pukekura Park Fernery, New Plymouth. in 1939.
Young fern. Fronds are yellow-green and divided 3-4 times (3-4 pinnate).
Pinnae, top surface - Pinnae (leaflets) lack hairs.
Localised areas on the margins are turned under where sori are attached on the underside.
Pinnae, lower surface - Sporangia are grouped into sorus borne in notches of the ultimate frond segments.
Each sorus is borne on a short stalk and enclosed by a tubular cup (indusium). As sporangia mature, they protrude from the indusium. The photo below is of developing sori
Developed sori with spores. Click photo to enlarge.
Thanks to Wikipedia for text and information: https://creativecommons.org/licenses/by-sa/3.0/
