Baby Bamboo shoot pic

[Kansas]

I am not sure what type this is. I put a pot of "Yellow Groove" in the box, however when I was in Dallas in April, I dug up a bunch of another type and brought it home and planted it in the box also. The Dallas type was HUGE. had some shoots that were easily 30' tall and about the width of a telephone pole.
Anyways, here it is...