Endemic to Japan (source: POWO). Flora of the World documents 1 occurrence across 1 country.
Location
Japan, Honshu, Niigata
36.848667, 138.137194
Location Remarks
Myoko-Togakushi Renzan National Park. Suginosawa. Road 280 (on Google Maps) east to parking for trail to Naena-taki (waterfall). 785 m elev.
Collectors
David E. Boufford, Christopher Davidson, Sharon R. Christoph
Notes
Growing in volcanic ash, bare areas amid clumps of Sasa. Snow slide area.
Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Ranunculales
Family
Berberidaceae
Genus
Ranzania
Specific Epithet
japonica
Authorship
(T.Itô) T.Itô
What is EDGE?
Evolutionary distinctiveness
Moderate
ED 23.6
Moderately distinct — it has closer living relatives than the most isolated species.
Threat status
Modelled estimate
EDGE score
2.6
Global rank
#9,797 of 335,497
Top 3%
Extinction probability
11%