Dioscorea tokoro, Boufford 43946--Japan. Nagano Pref. Kakizore. Nagiso-muchi. 8 Aug 2016. DSC01394 (87).JPG
Native to China South-Central, China Southeast, Japan, Korea (source: POWO). Flora of the World documents 1 occurrence across 1 country.
Location
Japan, Honshu, Nagano (Kiso, Yomikaki)
35.652556, 137.602389
Location Remarks
C. 3 km from Highway 19 on local road Yomikaki, into Kakizore Ravine. 666 m.
Collectors
David E. Boufford, Christopher Davidson, Sharon R. Christoph
Notes
Deciduous forest on a steep roadbank. Vine by the roadside.
Kingdom
Plantae
Phylum
Tracheophyta
Class
Liliopsida
Order
Dioscoreales
Family
Dioscoreaceae
Genus
Dioscorea
Specific Epithet
tokoro
Authorship
Makino ex Miyabe
What is EDGE?
Evolutionary distinctiveness
Lower
ED 1.7
Part of a well-represented branch of the plant tree of life, with many close relatives.
Threat status
Modelled estimate
EDGE score
0.2
Global rank
#221,748 of 335,497
Top 67%
Extinction probability
10%
