hardy rubber tree; Eucommia ulmoides
A near-threatened tree species often used in Chinese medicine. The name is usually written in katakana.
See also: トチュウ科
The bark of the hardy rubber tree is used in Chinese medicine.
The hardy rubber tree is a deciduous tree of the Eucommiaceae family.
The Japanese name is borrowed from Chinese 杜仲 (dùzhòng). The exact origin of the Chinese name is uncertain.