Species
Ranunculus crassipes
Etymology
Ranunculus: From the Latin 'rana' frog, meaning little frog and probably refers to the plants typical marshy habit where frogs abound
Common Name(s)
none known
Current Conservation Status
2009 - At Risk - Naturally Uncommon
Conservation status of New Zealand indigenous vascular plants, 2012
The conservation status of all known New Zealand vascular plant taxa at the rank of species and below were reassessed in 2012 using the New Zealand Threat Classification System (NZTCS). This report includes a statistical summary and brief notes on changes since 2009 and replaces all previous NZTCS lists for vascular plants. Authors: Peter J. de Lange, Jeremy R. Rolfe, Paul D. Champion, Shannel P. Courtney, Peter B. Heenan, John W. Barkla, Ewen K. Cameron, David A. Norton and Rodney A. Hitchmough. File size: 792KB
Previous Conservation Status
2004 - Range Restricted
Qualifiers
2009 - RR
Authority
Ranunculus crassipes Hook.f.
Family
Ranunculaceae
Flora Category
Vascular - Native
Structural Class
Dicotyledonous Herbs other than Composites
Synonyms
None - has been included by some authors within Ranunculus biternatus Sm.
Distribution
Indigenous. Macquarie Island. Present also on Heard and Kerguelen Islands
Habitat
Common in bogs and seepages across Macquarie island.
Features
Perennial, glabrous, stoloniferous herb. Leaves including petioles 15-50(-150) mm long; lamina 3-12 mm diameter; dark green to bronze green, lobes acute 2-5-toothed. Flowers solitary; scape short, fleshy and stout. Sepals 5, 4.5-6 mm long. Petals 5-7, 4.5-5.5. mm long, yellow, oblanceolate to obovate-spathulate. Stamens numerous, 1.7-3 mm long. Carpels 12-20, glabrous. Achenes 1.5-1.7 mm long (excluding style), reddish-purple, turgid and smooth.
Similar Taxa
Differs from Ranunculus biternatus Sm., by the typically much thicker ternate or ternatifid rather than biternate or biternatifid leaves.
Flowering
December - March
Flower Colours
Yellow
Fruiting
February - September
Propagation Technique
Unknown from cultivation
Threats
Abundant within its island habitats.
Chromosome No.
2n = 48
Endemic Taxon
No
Endemic Genus
No
Endemic Family
No
Where To Buy
Not commercially available
This page last updated on 31 Jul 2014