noun
Disanthus cercidifolius; a species of witch-hazel
A deciduous shrub native to Japan, known for its heart-shaped leaves that turn red in autumn. The name literally means 'round-leaf tree'.
マルバノキは秋に美しい紅葉を見せる。
Disanthus cercidifolius shows beautiful autumn colors.
庭にマルバノキを植えた。
I planted a Disanthus cercidifolius in the garden.
From 丸葉 (maruba, 'round leaf') + の (no, possessive particle) + 木 (ki, 'tree'), referring to the plant's rounded leaves.