Fan-leaved mat daisy
Raoulia cheesemanii Beauverd
Vascular – Native
Dicotyledonous Herbs - 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 = 28
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 | Threatened – Nationally Vulnerable
Previous conservation statuses
2012 | At Risk – Declining | Qualifiers: DP, RR, Sp
2009 | At Risk – Declining | Qualifiers: DP
2004 | Gradual Decline
South Island: Nelson, Marlborough, Canterbury and Otago.
Lowland to upland open ground and rocky places, on river terraces and stabilised river gravel.
Stems prostrate, creeping and rooting; final branchlets ascending; forming close to open flat patches. Leaves closely distichously arranged, 2-3 mm. long, linear-oblong to oblong-spathulate, obtuse, sometimes apiculate; basal portion 3-nerved, membranous, clad in appressed white tomentum; apical portion spreading, involute; ventral surface ± densely clad in matted tomentum; dorsal surface with appressed dense to sparse tomentum. Capitula up to 5 mm. diam. Inner series of involucral bracts 3-5 × c.1 mm., linear-oblong, glabrous except for sparse hairs at tips, pale yellow-green, margins hyaline, obtuse tips usually dark brown. Florets more or less 15, female 8-10. Achenes c.1 mm long, papillate-pubescent; pappus-hairs slender, papillae very finely claviform, c.3.5 mm long, not thickened at tips
Other Raoulia species. Leaves of R. monroi are arranged in one plane, in two rows along the stem.
Easily grown from rooted pieces. Likes freely draining soil and hot sunny conditions. Intolerant of humidity.
As a lowland to montane species of dry, open ground this species is vulnerable to compeition from taller, more aggressive weed species. Although exact details are not yet available there is some evidence that suggests this species has been lost from some parts of its range and is actively declining in others.
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.
monroi: Named after Sir David Monro who was a 19th century New Zealand politician
Description adapted from Allan (1961).
References and further reading
Allan, H.H. 1961: Flora of New Zealand. Vol. I, Government Printer, Wellington.