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  4. Zealandia novae-zealandiae

Zealandia novae-zealandiae

Waikaremoana.<br>Photographer: John Smith-Dodsworth, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
Holdsworth, Tararua Forest Park.<br>Photographer: Jeremy R. Rolfe, Date taken: 08/02/2008, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>
Holdsworth, Tararua Forest Park.<br>Photographer: Jeremy R. Rolfe, Date taken: 08/02/2008, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>
Rhizome scales. Holdsworth, Tararua Forest Park.<br>Photographer: Jeremy R. Rolfe, Date taken: 08/02/2008, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>
Sori. Holdsworth, Tararua Forest Park.<br>Photographer: Jeremy R. Rolfe, Date taken: 08/02/2008, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>
Nga Whanau A Ruapani Tarns, Te Urewera.<br>Photographer: Mike Thorsen, Date taken: 09/10/2015, Licence: All rights reserved. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>
Nga Whanau A Ruapani Tarns, Te Urewera.<br>Photographer: Mike Thorsen, Date taken: 09/10/2015, Licence: All rights reserved. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>
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Common name

mountain hound’s tongue fern

Synonyms

Phymatosorus novae-zealandiae (Baker) Pic. Serm.; Phymatodes novae-zealandiae (Barker) Pic. Serm.; Polypodium novae-zealandiae Baker in Hook.; Microsorum novae-zealandiae (Baker) Copel.

Family

Polypodiaceae

Authority

Zealandia novae-zealandiae (Baker) Testo et A.R.Field

Flora category

Vascular – Native

Endemic taxon

Yes

Endemic genus

No

Endemic family

No

Structural class

Ferns

NVS code

The National Vegetation Survey (NVS) Databank is a physical archive and electronic databank containing records of over 94,000 vegetation survey plots - including data from over 19,000 permanent plots. NVS maintains a standard set of species code abbreviations that correspond to standard scientific plant names from the Ngä Tipu o Aotearoa - New Zealand Plants database.

MICNOV

Chromosome number

2n = 74

Current conservation status

  • Conservation status of New Zealand indigenous vascular plants, 2017

The conservation status of all known New Zealand vascular plant taxa at the rank of species and below were reassessed in 2017 using the New Zealand Threat Classification System (NZTCS). This report includes a statistical summary and brief notes on changes since 2012 and replaces all previous NZTCS lists for vascular plants. Authors: By Peter J. de Lange, Jeremy R. Rolfe, John W. Barkla, Shannel P. Courtney, Paul D. Champion, Leon R. Perrie, Sarah M. Beadel, Kerry A. Ford, Ilse Breitwieser, Ines Schönberger, Rowan Hindmarsh-Walls, Peter B. Heenan and Kate Ladley.

2012 | Not Threatened

Previous conservation statuses

2009 | Not Threatened

2004 | Sparse

Distribution

Endemic. North Island from about Maumaupaki (Camels Hump) and Table Mountain (Kauaeranga Valley) and Mt Karioi south to the southern Tararua Ranges.

Habitat

An epiphytic species of montane to subalpine (600 - 1400 m a.s.l.) cloud forest and scrub. Very rarely found growing on rocks or logs on the forest floor.

Features

Rhizomes long creeping, 5-10 mm diameter, covered in erect, orange-brown (rust-coloured) hyaline scales. Stipes 100-300 mm long, pale brown, wiry and pliant. Frond lamina pinnate, 100-1200 x 70-350 mm, dark green or yellow green, upper surface glossy, undersides dull and paler in colour, ovate, coriaceous, more or less glabrous. Pinnae in 3-30 pairs, 70-180 x 5-15 mm, long tapering to obtuse or subacute apices, bases adnate, margins smooth or undulose. Sori conspicuous, orange, positioned near margins of pinna.

Similar taxa

Readily distinguished from Dendroconche scandens and Zealandia pustulata subsp. pustulata by its restriction to North Island montane cloud forests; larger, narrower, non-fragrant fronds, and by the distinctive erect, orange-brown, hyaline rhizome scales. The genus Zealandia differs from Dendroconche by the usually pruinose rhizomes and holoepiphtic rather than hemiepiphytic growth habit, absence of laterally inserted climbing roots and sori which are deeply impressed in the lamina (Testo et al. 2019).

Flowering

Not applicable - spore producing

Flower colours

No flowers

Fruiting

Not applicable - spore producing

Propagation technique

Difficult - should not be removed from the wild

Threats

Not Threatened. A fairly widespread endemic of upper montane and cloud forests. It can be locally very common.

Etymology

novae-zealandiae: Of New Zealand

Taxonomic Notes

The treatment of Testo et al. (2019) in which the New Zealand ferns previously treated by New Zealand authors as Microsorum (see Brownsey & Smith-Dodsworth 2000) are segregated into two genera, Dendroconche and Zealandia is followed here.

Attribution

Fact sheet prepared for NZPCN by P.J. de Lange (9 January 2005). Description adapted from Brownsey & Smith-Dodsworth (2000).

References and further reading

Brownsey, P.J.; Smith-Dodsworth, J.C. 2000: New Zealand Ferns and Allied Plants. Auckland, David Bateman

Testo, W.L.; Field, A.R.; Sessa, E.B.; Sundue, M. 2019: Phylogenetic and morphological analyses support the resurrection of Dendroconche and the recognition of two new genera in Polypodiaceae Subfamily Microsoroideae. Systematic Botany 44(4): 1-16. DOI 10.1600/036364419X15650157948607

NZPCN Fact Sheet citation

Please cite as: de Lange, P.J. (Year at time of access): Zealandia novae-zealandiae Fact Sheet (content continuously updated). New Zealand Plant Conservation Network. https://www.nzpcn.org.nz/flora/species/zealandia-novae-zealandiae/ (Date website was queried)

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