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  4. Carmichaelia crassicaulis subsp. crassicaulis

Carmichaelia crassicaulis subsp. crassicaulis

Nenthorn.<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>
Leaning Rock.<br>Photographer: Mike Thorsen, Licence: All rights reserved.
Photographer: Shannel Courtney, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
Kyeburn.<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>
In flower.<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>
Pods and seeds.<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>
Mackenzie Basin.<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>
Porters Pass.<br>Photographer: John Smith-Dodsworth, Licence: <a target='_blank' href='https://creativecommons.org/licenses/by-nc/4.0'>CC BY-NC</a>.
Old Woman Range.<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>
Nenthorn.<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>
Rock and Pillar Range.<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>
Nenthorn.<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>
Macraes Flat, Otago.<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>
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

coral broom

Biostatus

Native – Endemic taxon

Category

Vascular

Structural class

Trees & Shrubs - Dicotyledons

Simplified description

Rare robust shrub with erect leafless thick blunt-tipped grooved branches. Branches to 1cm in diameter, tip oval in cross section, grooves filled with white fuzz. Flowers small, pea-like, pale pink, streaked with purple. Fruit a small dry hairy pod with a long curved tip and containing 1-3 hard yellow seeds.

Flower colours

Cream, Violet/Purple

Detailed description

Rigid shrub up to 2m tall. Branches stout, erect, yellowish-green, deeply grooved with numerous parallel hair-lined grooves. Branchlets similar but somewhat flattened, up to 1cm or more diameter, new growth densely covered in white hairs. Juvenile leaves almost round, adult leaves oblong. Plants nearly leafless when mature. Flowers creamy coloured, 6mm long, up to 20 in a tight cluster. Flower stalks and sepals covered in thick, soft, white hair. Seed pods 6-7mm long, rounded, usually one-seeded.

Similar taxa

Other Carmichaelia species. C. crassicaule has stout, erect, grooved branches, compressed one-seeded pods and tight bundles of flowers with woolly sepals.

Distribution

South Island: east of the main divide.

Habitat

Upland and subalpine grassland, scrub and rock.

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 | Threatened – Nationally Vulnerable | Qualifiers: RF

Jump to previous conservation statuses

Detailed taxonomy

Family

Fabaceae

Authority

Carmichaelia crassicaulis Hook.f. subsp. crassicaulis

Synonyms

Corallospartium crassicaule (Hook.f.) J.B.Armstr.; Corallospartium crassicaule var. crassicaule (Hook.f.) J.B.Armstr.

Endemic taxon

Yes

Endemic genus

No

Endemic family

No

Ecology

Flowering

December - January

Fruiting

March - May

Life cycle and dispersal

Seeds are possibly dispersed by wind and granivory (Thorsen et al., 2009).

Propagation technique

Easy from fresh seed. Can be grown with some difficulty from semi hardwood cuttings. Dislikes humidity and once established should not be moved.

Other information

Where To Buy

Not commercially available.

Etymology

carmichaelia: After Carmichael, a botanist

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.

CARCSC

Chromosome number

2n = 32

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 | At Risk – Declining | Qualifiers: RF

2012 | At Risk – Declining | Qualifiers: RF

2009 | At Risk – Declining | Qualifiers: RF

2004 | Gradual Decline

Jump to current conservation status

Regional conservation statuses

Otago: 2024 | At Risk – Regionally Declining | Qualifiers: NR, NStr, PF, RF, TL

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.

Referencing and citations

References and further reading

Allan, H.H. 1961: Flora of New Zealand. Vol. I. Wellington, Government Printer.

Thorsen, M. J.; Dickinson, K. J. M.; Seddon, P. J. 2009. Seed dispersal systems in the New Zealand flora. Perspectives in Plant Ecology, Evolution and Systematics 2009 Vol. 11 No. 4 pp. 285-309

Attribution

Fact Sheet Prepared for NZPCN by: P.J. de Lange 28 October 2009. Description based on Allan (1961)

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.

NZPCN Fact Sheet citation

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

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