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  4. Caladenia minor

Caladenia minor

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Common name

caladenia

Synonyms

Petalochilus minor (Hook.f.) D.L.Jones et M.A.Clem.

Family

Orchidaceae

Authority

Caladenia minor Hook.f.

Flora category

Vascular – Native

Endemic taxon

Yes

Endemic genus

No

Endemic family

No

Structural class

Orchids

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.

PETMIN

Chromosome number

2n = 39, 40

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.

2018 | Data Deficient

Previous conservation statuses

2012 | Not Threatened

2009 | Not Threatened

2004 | Not Threatened

Distribution

Endemic. North Island from Te Paki south to about Kawhia and the Kaimai Ranges.

Flowering

October - December

Fruiting

November - March

Propagation technique

Difficult - should not be removed from the wild

Threats

Not Threatened - but may qualify as Data Deficient because its exact distribution and abundance remain unclear due to past confusion with Caladenia chlorostyla.

Etymology

minor: Smaller

Where To Buy

Not commercially available

TAXONOMIC NOTES

Jones et al. (2001) revived the genus Petalochilus R.S.Rogers (erected by Rogers (1924) for what has come to be viewed as a peloric state of Caladenia R.Br. - see Moore & Edgar (1970)) for a distinct clade of mostly New Zealand orchids that had usually been referred to as Caladenia. Subsequently Hopper et al. (2004) showed how the reorganisation of Caladenia by Jones et al. (2001) was unworkable and they recommended a return to Caladenia and the other allied Australian genera that had been recognised previously. Following discussion with S. Hopper and P. Weston (pers. comm., 2011, 2014) the treatment of Hopper et al. (2004) is preferred to that of Jones et al. (2001) and so followed here.

Caladenia minor remains somewhat of an enigma and the correct application of the name is uncertain. It is for this reason that this fact sheet has not been populated. Clarification of the exact application of this name and whether it involves one or more Caladenia currently recognised under other names requires critical evalutation.

Attribution

Fact Sheet prepared for NZPCN by P.J. de Lange 14 April 2007.

References and further reading

Hopper, S.D.; Brown, A.P. 2004: Robert Brown’s Caladenia revisited, including a revision of its sister genera Cyanicula, Ericksonella and Pheladenia (Caladeniinae: Orchidaceae). Australian Systematic Botany 17: 1-240.

Jones, D.L.; Clements, M.A.; Sharma, I.K.; Mackenzie, A.M. 2001: A New Classification of Caladenia R.Br. (Orchidaceae). The Orchadian 13: 389-419.

Moore, L.B.; Edgar, E. 1970: Flora of New Zealand. Vol. II. Government Printer, Wellington.

Rogers, R.S. 1924: Petalochilus: a New Genus of New Zealand Orchids. Journal of Botany 62: 65-67.

NZPCN Fact Sheet citation

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

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