noun
Sorbus matsumurana (species of rowan)
A species of mountain ash native to Japan; botanical name.
ウラジロナナカマドは高山に自生する落葉低木です。
Sorbus matsumurana is a deciduous shrub that grows wild in alpine regions.
The name ウラジロナナカマド literally means 'white-backed rowan', from 裏白 (urajiro, 'white underside') + 七竃 (nanakamado, 'rowan'), referring to the whitish underside of the leaves.