noun
forked viburnum; scarlet leaved viburnum
A deciduous shrub native to Japan, known for its forked branching pattern and red autumn leaves. Scientific name: Viburnum furcatum.
大亀の木は秋になると美しく紅葉します。
The forked viburnum turns a beautiful red in autumn.
The name 大亀の木 (literally 'large turtle tree') likely refers to the shape of the leaves or the branching pattern, but the exact origin is uncertain.