Thank you for the informative website.
This came from an east Texas grove where the mature culms were 2.5" and at least 30' tall. I don't expect much in my NW Arkansas location, but would still like to know what it is.
Thanks
John M

Welcome! I think your ID is spot on. As far as the maximum diameter and height goes you should see similar dimensions as the parent grove. It usually takes 8 - 10 years to see really mature growth.

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David Arnold
Middle Tennessee Bamboo Farm
USDA zone 6b/7a

Thanks David. I'll be happy if they get half that big.