Tropicals & Tender Perennials: Need ID on odd 15 foot tall weed?, 1 by bwilliams

bwilliams wrote:
The photos I have seen of both plants mentioned dones not look exactly like it? I did think it might be in the sunflower family sense the leaves were very rough feeling. But it did not seem to branch out at all flower stalk seem to come out from around some of the higher up leaves. The flowers were hanging out on stems much like the leaves are in a roseta like form. Here is a closer look of the flower brackets