Raoulia parkii
Common name
celadon mat daisy
Synonyms
None
Family
Asteraceae
Flora category
Vascular – Native
Endemic taxon
Yes
Endemic genus
Yes
Endemic family
No
Structural class
Herbs - Dicotyledonous 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.
RAOPAR
Chromosome number
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.
2018 | At Risk – Declining
Previous conservation statuses
2012 | Not Threatened
2009 | Not Threatened | Qualifiers: EF
2004 | Not Threatened
Distribution
South Island: east of the main divide.
Habitat
Upland to subalpine open places, rocky ground, in grassland and fellfield.
Features
Small daisy with creeping stems, forming tight to open mats. Branchlets erect. Leaves broad, 3-5mm long, 2mm wide, angled at midrib, spreading to recurved at tips and closely overlapping. Flower heads small, 4-7mm across. Plant covered with layers of pale-yellow to yellow-green hair (except near base), giving overall pale green appearance.
Similar taxa
Raoulia subsericea, R. hookeri. Raoulia parkii has distinctive pale green colour and leaves which are broader, firmer and more closely overlapping than R. subsericiea. R. subsericea is brighter green, while R. hookeri is grey.
Flowering
No information
Flower colours
Yellow
Fruiting
No information
Propagation technique
Easily grown from rooted pieces. Likes freely draining soil and hot sunny conditions. Intolerant of humidity.
Etymology
raoulia: Named after Étienne Fiacre Louis Raoul (23 July 1815–30 March 1852) who was a French naval surgeon and naturalist. He published a book Choix de plantes de la Nouvelle-Zélande (“Selected plants of New Zealand”) in 1846. The genus was named after him by Joseph Hooker.
Attribution
Fact sheet prepared by P.J. de Lange for NZPCN (1 June 2013).
NZPCN Fact Sheet citation
Please cite as: de Lange, P.J. (Year at time of access): Raoulia parkii Fact Sheet (content continuously updated). New Zealand Plant Conservation Network. https://www.nzpcn.org.nz/flora/species/raoulia-parkii/ (Date website was queried)