bushy plant identification

Question

This plant is bushy. It’s almost 9 feet but the leaves are green and pointed it doesn’t bloom. It sends roots from the bottom in a line. Very invasive, have seen it in the woods too. It has a hollow cylinder stem with speckled marking on the stem.

Answer 1

Could you possible send a picture of the plant your trying to identify?
Here is a link that lists invasive plants identified in Pennsylvania.

http://www.dcnr.state.pa.us/forestry/plants/invasiveplants/