亜あ高こう木ぼく

noun

subcanopy tree; understory tree; semi-tall tree

Ecological term for a tree that grows beneath the main canopy but above the shrub layer; used in forestry and vegetation surveys.

• この森もりでは亜あ高こう木ぼく層そうにカエデ類るいが多おおい。

  In this forest, maples are abundant in the subcanopy layer.