Individual trees have been known to live for up to around 500 years.
Both trees are known for their height and great age.
The tree is not known to have been introduced to the West.
The tree is not known to have ever been cultivated beyond Europe.
The tree is not known to be in cultivation beyond China.
It is also one of several trees known as Flame tree.
"Such trees as were not known in my day," he explained.
The tree and its tradition were well known to Burns.
Only 34 adult trees are known to exist in the wild.
The tree is not known to be in commerce beyond Australia.