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  4. Macrolearia oporina

Macrolearia oporina

Macrolearia oporina flowering on coastline walk to Puysegur Point Lighthouse, Fiordland.<br>Photographer: Lisa Forester, Date taken: 04/09/2023, 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>
Olearia oporina.<br>Photographer: Sue Lake, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
Olearia oporina.<br>Photographer: Sue Lake, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
Olearia oporina at Coal Island.<br>Photographer: Sue Lake, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
Coal island, Fiordland.<br>Photographer: John Barkla, 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>
Leaves, Coal Island, Fiordland.<br>Photographer: John Barkla, 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>
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Synonyms

Arnica oporina G.Forst., Olearia oporina (G.Forst.) Hook.f., Olearia oporina var. robusta Kirk

Family

Asteraceae

Authority

Macrolearia oporina (G.Forst.) Saldivia

Flora category

Vascular – Native

Endemic taxon

Yes

Endemic genus

Yes

Structural class

Trees & Shrubs - Dicotyledons

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.

OLEOPO

Current conservation status

  • Conservation status of New Zealand indigenous vascular plants, 2017

The threat classification 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) – more information about this can be found on the NZTCS website 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. Please note, threat classifications are often suggested by authors when publications fall between NZTCS assessment periods – a suggested threat classification status has not been assessed by the NZTCS panel.

Source: NZTCS and licensed by DOC for reuse under the Creative Commons Attribution 4.0 International licence.

2018 | At Risk – Naturally Uncommon

Previous conservation statuses

2017 | At Risk – Naturally Uncommon | Qualifiers: RR

2012 | At Risk – Naturally Uncommon | Qualifiers: DP, RR

2009 | Not Threatened

2004 | Not Threatened

Brief description

Small tree with narrow leathery saw-edged dark green leaves that are white underneath and large yellow-centred whiteish daisy-like heads inhabiting the Fiordland coast. Leaves 5-10cm long by 1.5-2cm wide, widest at middle, with large thick teeth along edge. Flowers 3-4cm wide, petals white, centre yellow.

Distribution

Endemic. South Island along the west and south Fiordland from Martins Bay southwards. Also reported from Rakiura / Stewart Island and some surrounding islands and islets (e.g., Whenahou / Codfish Island).

Habitat

Coastal. Usually a component of coastal scrub or forest, often on peaty ground, where it is usually associated with muttonbird daisy (Brachyglottis rotundifolia), inaka (Dracophyllum longifolium), and kokomuka (Hebe (Veronica) elliptica).

Flower colours

White, Yellow

Etymology

oporina: Autumnal


Taxonomic Notes

Macrolearia oporina is closely allied to M. angustifolia and M. chathamica, and on the assumption that all three species were allopatic some botanists have considered them all varieties / subspecies of each other. This view was not upheld by Saldivia et al. (2022) who established the genus Macrolearia, in the process reviewing the status of the species previously treated as macrocephalous Olearia. Saldivia et al. (2022) records M. oporina from Rakiura / Stewart Island and some of the near shore islands and islets to it, suggesting sympatry with M. angustifolia.

NZPCN Fact Sheet citation

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

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