What is the name of this tree covered with long thorns, whether the wood is good, and whether it can

This is the thorn lemon tree, also called long-leaved oak wood, the wood is relatively hard, and the elderly play more.

This thorn tree is called maple and pear, and its leaves are the same as those of a pear tree. It is a very good Chinese herbal medicine.

This is a saponaria tree, the wood is hard and delicate, and it is a good raw material for making furniture, but such a big tree should be regarded as an ancient tree, and it is a pity to make furniture.