''Sorbus sambucifolia'' is a species of
rowan
The rowans ( or ) or mountain-ashes are shrubs or trees in the genus ''Sorbus
''Sorbus'' is a genus of over 100 species of trees and shrubs in the rose family, Rosaceae. Species of ''Sorbus'' (''s.l.'') are commonly known as whitebeam, r ...
native to Korea, northern and central Japan, Russian Far East and Alaska.
References
sambucifolia
Flora of Japan
{{Sorbus-stub