22 September 1997.
Hokkaidô, Japan
Locality: Nakagawa Experimental Forest, Otoineppu Village. North Provinance. 3km North of Osashima, following a tributary of the Teshio River, Forest section 163.
Coordinates: 44.7561, 142.1922
(Map it)
Elevation: 20m.
Georeference protocol: Lat/lon determined by GPS
Environment description: Mixed deciduous/coniferous forest. Southern Aspect. Parent rock welded volcanic tuff, with soil type Fertile sandy loam with clay. Growing in a valley bottom in a valley bottom.
Number of plants sampled: 1
Comment: Associate plants: Juglans ailanthifolia, Tilia japonica, Maackia amurensis var. buergeri and Acer mono. This is the North end of its range.
Collector(s):