26 September 2018.
Hokkaidô, Japan
Locality: Hokkaido Prefecture, Tokachi Subprefecture: Taiki: Hokkaido University Farm, Rekifune River area.
Coordinates: 42.4627, 143.2566
(Map it)
Elevation: 26m.
Georeference protocol: Lat/lon determined by GPS
Habitat: Wild Habitat
Environment description: Growing at base of floodplain, edge of forest, in rocky clay soil. Slope: 10 percent. Aspect: Northeast.
Number of plants sampled: 1
Associated species: Petasites japonicus subsp. giganteus (listed as P. japonicus var. giganteus); Silene sp. (listed as Lychnis sp.); Sasa nipponica.
Comment: 30 ft x 20 ft tree. White exfoliating bark, leaves semi-glossy. Seeds collected from one individual.