noun
ubame oak; Quercus phillyraeoides
A species of oak native to Japan, known for its hard wood and often used in charcoal making and landscaping.
ウバメガシは備長炭の原料として知られている。
Ubame oak is known as a raw material for Binchōtan charcoal.
海岸近くにウバメガシの低木が生えている。
Low shrubs of ubame oak grow near the coast.
The name likely derives from the resemblance of the leaves to an old woman's (姥) eyes (目), but the exact origin is uncertain.