Originally from Japan, it is reported that it was introduced and cultivated from Japanese friends by Mr. Zhou Fangchun, a famous bamboo expert in China, the head of the national "Southern Bamboo Moving to the North" project and the former director of the Bamboo Research Institute of Nanjing Forestry University, which is rare in China.
In addition, there is a kind of bamboo with similar stem shape (/produce/guijz.htm), but it is not spiral.