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  4. Ozothamnus vauvilliersii

Ozothamnus vauvilliersii

Ozothamnus vauvilliersii.<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>
Mt Taranaki.<br>Photographer: Mike Thorsen, Date taken: 15/03/2013, 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>
Ozothamnus vauvilliersii.<br>Photographer: Mike Thorsen, 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>
Mangatepopo, February.<br>Photographer: John Smith-Dodsworth, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
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Common names

Mountain tauhinu

Biostatus

Native – Endemic taxon

Category

Vascular

Structural class

Trees & Shrubs - Dicotyledons

Simplified description

Yellow-green bushy shrub with short (3-10mm long) oval leaves inhabiting open areas and disturbed sites. Flowers white, body of papery scales, in tight clusters at tip of branches. Seeds fuzzy.

Flower colours

White

Detailed description

Shrub up to 3 m tall. Branchlets rather stout, furrowed, more or less glutinous, clad in fulvous tomentum. Leaves 5-12 x 2-3 mm, finally spreading from erect petioles, coriaceous, becoming glabrous above, clad in fulvous tomentum below, linear-spathulate to narrow oblong-obovate, margins slightly revolute, midrib prominent below. Capitula 10-20 or more, in dense corymbs, pedicels short. Phyllaries in 3-4 series, outer tomentose on back, inner with white radiating tips; forming a turbinate involucre approximately 4 mm long. Scales of receptacle numerous, white-tipped; florets 8-15; achenes hardly 1 mm long, glabrous to sparsely pubescent; pappus-hairs up to 4.5 mm long, distinctly thickened at tips.

Similar taxa

Ozothamnus leptophyllus has leaves of linear order, not or hardly widened above middle.

Olearia solandri has leaves opposite or in opposite clusters, young branchlets square in cross-section, and white daisies borne along the leafy shoots.

Olearia nummulariifolia has stiffer, broader leaves, and white daisies borne behind the leafy shoot tip. Olearia cymbifolia has stiff leaves with margins rolled down almost to the midrib, and flowers like Olearia nummulariifolia.

Brachyglottis cassinioides has leaves whitish green above, white beneath, with margins slightly toothed on shaded shoots, and bright yellow daisy flowers.

Distribution

North, South, Stewart, and Auckland Islands. Found throughout in suitable habitat.

Habitat

Lowland to montane or lower subalpine shrubland and grassland.

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

Asteraceae

Authority

Ozothamnus vauvilliersii Hombr. et Jacquinot ex Decne

Taxonomic notes

It is debatable whether Ozothamnus vauvilliersii is an entity worthy of species level recognition, or just an extent of the variation of Ozothamnus leptophyllus (see notes below that species).

Endemic taxon

Yes

Endemic genus

No

Endemic family

No

Ecology

Flowering

December-May (-August)

Fruiting

February-June (-September)

Other information

Etymology

ozothamnus: from the Greek ‘ozo’ meaning to smell and ‘thamnos’ meaning shrub; alluding to the fragrant foliage when crushed.

vauvilliersii: After Vauvilliers

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.

OZOVAU

Chromosome number

2n = 26-28

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

Referencing and citations

References and further reading

Allan, H. H. 1961. Flora of New Zealand. Vol. 1. Wellington: Government Printer. pg. 726-728.

Wilson, H. D., & Galloway, T. 1993. Small-leaved shrubs of New Zealand. Manuka Press. pg. 204-205.

Attribution

Description adapted by M. Ward from Allan (1961) and Wilson & Galloway (1993).

Some of this factsheet information is derived from Flora of New Zealand Online and is used under a Creative Commons Attribution 3.0 New Zealand licence.

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