Sardo's Garden

This bamboo is new in my collection. I have only one of this kind. Hopefully, i can propagate it easily. hope i can make it 10 by the end of the year.
I still dont know the name, but i keep on searching the net..
The culms are bluish green with yellow stripes. The leaves are quite large. Its height now is approximately 14 ft. The culms are getting big as the new shoot appear