Dendrocalamus Latisflorus - what a big bamboo and a wonderful one too.
You need a large area for this variety and a purpose - it can be used as a large windbreak, huge feature.
Plus it can be harvested for Poles and Shoots. Indonesian prize this bamboo for its edible shoots
(Recipe available on request).
Allow a big space to grow this bamboo and make sure you have access if harvesting is your goal.