View source for Phil Bendle Collection:Hymenophyllum rarum (Narrow filmy fern)

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'''Kingdom:''' Plantae<br />
'''Subkingdom:''' Tracheobionta<br />
'''Division:''' Pteridophyta<br />
'''Class:''' Filicopsida<br />
'''Order:''' Hymenophyllales<br />
'''Family:''' Hymenophyllaceae<br />
'''Genus:''' Hymenophyllum<br />
'''Species:''' H. rarum<br />
'''Binomial name:''' Hymenophyllum rarum<br />
'''Synonyms''': Mecodium rarum, Hymenophyllum imbricatum, Hymenophyllum semibivalve, Trichomanes rarum, Hymenophyllum darwinii.<br />
'''Common name:''' Narrow filmy fern.

Hymenophyllum rarum is a thin-leaved fern found in New Zealand and Tasmania. It grows in patches on rocks and is often epiphytic on trees or tree ferns in rainforests or moist gullies.<br />
It has a rhizome that is long, skinny, black. sparsely covered with red-brown hairs and is much-branched with spaced fronds. The fronds are pendent, to 15 cm long; stipe to 5 cm long, black; rachis winged in the upper half of the frond; lamina 1-pinnate 1–2-pinnatifid, pale green, to 10 cm long and 1–2.5 cm wide, margins not toothed. The entire plant is glabrous (devoid of hairs or down).<br />
The sori are solitary and are carried by the end of a segment, mainly to the terminal portion of the blade.<br />
The indusium, a thin membrane completely covers the sporangia. The indusium splits apart when spores are ready to be dispersed. 

It was photographed on Mt Taranaki/Mt Egmont at an elevation of 900 m.<br />
[[File:Hymenophyllum rarum Narrow filmy fern-001.JPG|frameless|upright 2.25]]    

[[File:Hymenophyllum rarum Narrow filmy fern.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/ ]

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[[Category:Ferns]]
[[Category:Phil Bendle Collection]]