2An Asian citrus tree with a corky bark.
- Genus Phellodendron, family Rutaceae: several species, including P. sachalinense, often cultivated as on ornamental.
- Bark extracts from the amur cork tree (phellodendron amurense) are strongly anti-bacterial and contain an ingredient known as the ‘injection of three yellow herbs’, which is used for upper respiratory tract infections.
For editors and proofreaders
Syllabification: cork tree
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