Holy grass, karetu
Holcus redolens Vahl, Avena redolens (Vahl) Pers., Anthoxanthum redolens (Vahl) D.Royen, Hierochloe antarctica var. redolens (Vahl) Raspail, Holcus redolens R.Br., Torresia redolens Roem. et Schult., Hierachloe banksiana Endl.
Vascular – Native
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 = 84
Current conservation status
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
Indigenous. Throughout North, South and Chatham Islands. Also on the Three Kings Islands. Indigenous to Australia, New Guinea and South America
Florets are water and wind dispersed (Thorsen et al., 2009).
hierochloe: From the Greek hieros ‘sacred’ and chloa ‘grass’ meaning holy grass. European species of this grass were once strewn on church floors.
Hierochloe brunonis Hook.f. and H. fusca Zotov are probably better regarded as part of H. redolens.
References and further reading
Johnson, A. T. and Smith, H. A (1986). Plant Names Simplified: Their pronunciation, derivation and meaning. Landsman Bookshop Ltd: Buckenhill, UK.
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