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  4. Asplenium oblongifolium

Asplenium oblongifolium

Asplenium oblongifolium.<br>Photographer: Jeremy R. Rolfe, 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. Wellington.<br>Photographer: Jeremy R. Rolfe, Date taken: 14/04/1984, 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>
Rangaika, Chatham Island.<br>Photographer: Jeremy R. Rolfe, Date taken: 01/06/2013, 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>
Wellington.<br>Photographer: Jeremy R. Rolfe, 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>
Remutaka Forest Park.<br>Photographer: Jeremy R. Rolfe, Date taken: 15/01/2004, 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>
Asplenium oblongifolium.<br>Photographer: Wayne Bennett, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>. <a class='member-message' href='/nzpcn/why-join-nzpcn/' target='_blank'>Members can view a larger version of this image.</a>
Asplenium oblongifolium.<br>Photographer: Wayne Bennett, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>. <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 names

huruhuruwhenua, shining spleenwort

Biostatus

Native – Endemic taxon

Category

Vascular

Structural class

Ferns

Detailed description

Rhizome stout, often forming a hard woody mass above ground, bearing pale brown, shiny, ovate, acuminate scales up to 30 × 7 mm. Stipes 80–200 mm long, dark brown, stout, densely covered in narrow scales with very long filiform apices. Laminae oblong to elliptic, 180 mm – 1 m × 100–350 mm wide, dark green and glossy above, pinnate. Rachis brown below, green above, stout, slightly ridged, scaly. Pinnae 4–15 pairs, lanceolate to narrowly oblong or ovate, acuminate, crenate-serrate to ± entire, cuneate at base, 40–150 × 10–30 mm, frequently covered in very small hair-like scales on the underside. Sori up to 20 mm long, not reaching lamina edge.

Similar taxa

Often confused with Asplenium obtusatum G.Forst. for which it is distinguished by the rachis and foliar scales which have very long hair-like apices, and by the pinnae which are firm (usually not thick and fleshy), glossy above, and acuminate to ± acute. Some forms of A. oblongifolium found on rock stacks along the west coast of the North Island (from about Kawhia south) would repay further investigation was these have distinctly dull, rather coriaceous, fleshy, fronds, and broader rachis and foliar scales, thus intergrading somewhat with A. obtusatum. These features are retained in cultivation.

Distribution

Endemic. New Zealand: Kermadec Islands, Manawatāwhi / Three Kings Islands, North Island, South Island (Marlborough sounds south to Hokitika and Banks Peninsula), and Chatham Islands.

Habitat

Coastal to montane (but mostly found within coastal and lowland areas). Occupying a diverse range of habitats from coastal cliffs and rock stacks to deep forest where it may be an epiphyte or grow on the ground.

Current conservation status

The conservation status of all known New Zealand vascular plant taxa at the rank of species and below were reassessed in 2022-2023 using the New Zealand Threat Classification System (NZTCS) – more information about this can be found on the NZTCS website. This report includes replaces all previous NZTCS lists for vascular plants. Previous assessments can be found here.

  • Conservation status of vascular plants in Aotearoa New Zealand, 2023. 2024. Peter J. de Lange, Jane Gosden, Shannel P. Courtney, Alexander J. Fergus, John W. Barkla, Sarah M. Beadel, Paul D. Champion, Rowan Hindmarsh-Walls, Troy Makan and Pascale Michel Department of Conservation. Source: NZTCS and licensed by DOC for reuse under the Creative Commons Attribution 4.0 International licence.

2023 | Not Threatened

Jump to previous conservation statuses

Detailed taxonomy

Family

Aspleniaceae

Authority

Asplenium oblongifolium Colenso

Synonyms

Asplenium lucidum G.Forst.; Asplenium lucidum var. paucifolium Hook.; Asplenium obtusatum var. integrifolium Szyszyl. in Wawra; Asplenium obtusatum var. lucidum (G.Forst.) Hook. et Baker; Asplenium durvillei Mett. in Kuhn; Tarachia lucida (G.Forst.) Momose

Endemic taxon

Yes

Endemic genus

No

Endemic family

No

Ecology

Life cycle and dispersal

Minute spores are wind dispersed (Thorsen et al., 2009).

Propagation technique

Easily grown though often rather slow to establish. An attractive and popular plant widely used for mass plantings in shaded sites. An excellent pot plant. Be vigilant for scale and mealy bug infestations which are a bane to the cultivation of all New Zealand asplenia.

Wetland plant indicator status rating

Information derived from the revised national wetland plant list prepared to assist councils in delineating and monitoring wetlands (Clarkson et al., 2021 Manaaki Whenua – Landcare Research Contract Report LC3975 for Hawke’s Bay Regional Council). The national plant list categorises plants by the extent to which they are found in wetlands and not ‘drylands’. The indicator status ratings are OBL (obligate wetland), FACW (facultative wetland), FAC (facultative), FACU (facultative upland), and UPL (obligate upland). If you have suggestions for the Wetland Indicator Status Rating, please contact: [Enable JavaScript to view protected content]

UPL: Obligate Upland

Rarely is a hydrophyte, almost always in uplands (non-wetlands).

Other information

Cultivation

Commonly available from plant and specialist native plant nurseries.

Etymology

asplenium: From the Greek a- ‘without’ and splene ‘spleen’, a northern hemisphere species, the black spleenwort (Asplenium adiantum-nigrum), was once believed to be a cure for diseases of the spleen.

oblongifolium: Oblong leaves

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.

ASPOBL

Chromosome number

2n = 144

Previous conservation statuses

The conservation status of all known New Zealand vascular plant taxa at the rank of species and below were reassessed in 2022-2023 using the New Zealand Threat Classification System (NZTCS) – more information about this can be found on the NZTCS website. This report includes replaces all previous NZTCS lists for vascular plants. Previous assessments can be found here.

  • Conservation status of vascular plants in Aotearoa New Zealand, 2023. 2024. Peter J. de Lange, Jane Gosden, Shannel P. Courtney, Alexander J. Fergus, John W. Barkla, Sarah M. Beadel, Paul D. Champion, Rowan Hindmarsh-Walls, Troy Makan and Pascale Michel Department of Conservation. Source: NZTCS and licensed by DOC for reuse under the Creative Commons Attribution 4.0 International licence.

2017 | Not Threatened

2012 | Not Threatened

2009 | Not Threatened

2004 | Not Threatened

Jump to current conservation status

Regional conservation statuses

Otago: 2024 | Threatened – Regionally Critical | Qualifiers: DPR, DPS, DPT, NR, Sp

The regional threat classification system leverages off the national assessments in the NZTCS, providing information relevant for the regional context. Otago conservation status information is sourced from the “Regional conservation status of indigenous vascular plants in Otago” Jarvie S et al. (2024) report.

Auckland: 2025 | Regionally Not Threatened | Qualifiers: DPS, DPT

The regional threat classification system leverages off the national assessments in the NZTCS, providing information relevant for the regional context. Auckland conservation status information is sourced from the “Conservation status of vascular plant species in Tāmaki Makaurau / Auckland” Simpkins E et al. (2025) report.

Referencing and citations

References and further reading

Brownsey PJ. 1977. A taxonomic revision of the New Zealand species of Asplenium. New Zealand Journal of Botany 15(1): 39–86. https://doi.org/10.1080/0028825X.1977.10429618.

Thorsen MJ, Dickinson KJM, Seddon PJ. 2009. Seed dispersal systems in the New Zealand flora. Perspectives in Plant Ecology, Evolution and Systematics 11: 285–309. https://doi.org/10.1016/j.ppees.2009.06.001.

Attribution

Fact sheet prepared for NZPCN by P.J. de Lange 29 August 2007. Description from Brownsey (1977).

NZPCN Fact Sheet citation

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

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