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  4. Ranunculus lyallii

Ranunculus lyallii

Ranunculus lyallii.<br>Photographer: John Barkla, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>.
A flower of Ranunculus lyallii.<br>Photographer: John Barkla, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>.
Upper Hollyford, December.<br>Photographer: John Smith-Dodsworth, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
Upper Hollyford, December.<br>Photographer: John Smith-Dodsworth, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
Ranunculus lyallii, Gertrude Saddle, Fiordland National Park.<br>Photographer: Gillian M. Crowcroft, Licence: All rights reserved.
Hollyford Valley, Routeburn Track.<br>Photographer: John Sawyer, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
Hollyford Valley, Routeburn Track.<br>Photographer: John Sawyer, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
Routeburn Track, Fiordland.<br>Photographer: John Sawyer, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
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Sugarloaf Pass, Fiordland.<br>Photographer: John Sawyer, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
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Routeburn Track, Fiordland.<br>Photographer: John Sawyer, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
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Ranunculus lyallii, Cascade Creek.<br>Photographer: John Barkla, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>.
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Ranunculus lyallii Cascade Creek.<br>Photographer: John Barkla, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>.
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Sugarloaf Pass, Mt Aspiring National Park.<br>Photographer: John Sawyer, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
Sugarloaf Pass, Mt Aspiring National Park.<br>Photographer: John Sawyer, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
Sugarloaf Pass, Mt Aspiring National Park.<br>Photographer: John Sawyer, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
Sugarloaf Pass, Mt Aspiring National Park.<br>Photographer: John Sawyer, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
Gertrude Saddle, Fiordland NP.<br>Photographer: Gillian M. Crowcroft, Licence: All rights reserved.
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Sugarloaf Pass.<br>Photographer: John Sawyer, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
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Sugarloaf pass.<br>Photographer: John Sawyer, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
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Sugarloaf pass.<br>Photographer: John Sawyer, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
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Ranunculus lyallii.<br>Photographer: Mike Thorsen, Licence: All rights reserved.
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Ranunculus lyallii.<br>Photographer: Mike Thorsen, Licence: All rights reserved.
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Mt Aspiring National Park.<br>Photographer: John Barkla, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by/4.0'>CC BY</a>.
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Arthurs Pass.<br>Photographer: Melissa Hutchison, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
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Tapoiti Valley.<br>Photographer: Melissa Hutchison, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
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Mt Burns, Southland, seed capsules.<br>Photographer: Jesse Bythell, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
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Mt Burns, Southland, deer browse.<br>Photographer: Jesse Bythell, Date taken: 31 March 2007, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
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Hunter Mountains, Fiordland.<br>Photographer: Jesse Bythell, Date taken: 18 December 2012, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
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Flowering Ranunculus lyallii, near Homer Tunnel.<br>Photographer: Amy Whitehead, Licence: All rights reserved.
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Fruit, Hooker Valley, Canterbury.<br>Photographer: Colin C. Ogle, Date taken: 28 December 2014, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
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Ranunculus buchananii (left) and possible hybrid R. buchananii x. lyallii (right), Mount Burns, Fiordland.<br>Photographer: Anne Humburg, Date taken: 13 December 2008, Licence: All rights reserved.
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Common name

Giant, great mountain or Mount Cook buttercup, Mount Cook lily

Family

Ranunculaceae

Authority

Ranunculus lyallii Hook.f.

Flora category

Vascular – Native

Endemic taxon

Yes

Endemic genus

No

Endemic family

No

Structural class

Herbs - Dicotyledons other than Composites

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.

RANLYA

Chromosome number

2n = 48

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 | Not Threatened

Distribution

Endemic to South and Stewart island.

Habitat

Apparently confined to montane and subalpine herbfield and creek sides.

Flowering

October - January

Flower colours

White, Yellow

Fruiting

November - March

Threats

Vulnerable to browsing mammals, in particular hares, chamois, deer and tahr.

Etymology

ranunculus: From the Latin ‘rana’ frog, meaning little frog and probably refers to the plants typical marshy habit where frogs abound

lyallii: Named after David Lyall (1817-1895), 19th century Scottish naturalist and surgeon with the Royal Navy, who explored Antarctica, New Zealand, the Arctic and North America and was a lifelong friend of Sir Joseph Hooker.

An early English common name for this plant ‘Mount Cook Lily’ refers perhaps to the practice of naming any plants with large white flowers lilies regardless of what family they belong to.

The name Mount Cook lily is misguiding as this plant is not confined to the Aoraki/Mount Cook area nor is it a lily.

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