Vascular – Native
Herbs - Dicotyledons other than Composites
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.
2n = 64
Current conservation status
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.
2018 | Threatened – Nationally Vulnerable
Previous conservation statuses
2017 | Threatened – Nationally Vulnerable | Qualifiers: DP, RR, SO, Sp
2012 | At Risk – Declining | Qualifiers: DP, SO, Sp
2009 | At Risk – Declining | Qualifiers: DP, SO, Sp
2004 | Gradual Decline
Possibly endemic. New Zealand, North and South Islands from the Manawatu and Eastern Wairarapa Coastline south. In the South Island found mainly east of the main divide. Australian plants, which include the type may not be same as the New Zealand plant.
Wetland plant indicator status rating
Commonly occurs as either a hydrophyte or non-hydrophyte (non-wetlands).
Spiny mericarps are dispersed by attachment and wind (Thorsen et al., 2009).
eryngium: From the Greek eryngion, a type of spiny-leaved thistle resembling sea holly
Notes on taxonomy
New Zealand plants May be an unnamed, endemic species. Further research is required. Certainly it is clear that some of the Australian plants referred to this name are not the same as the type. Further research is required.
References and further reading
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 11: 285-309