We posted what we thought was a boneset plant back on September 29th.
But it turns out this plant is an Eupatorium species, and related to boneset, but it’s Lateflowering Thoroughwort. The Thoroughwort has leaves that are opposite each other, but the leafy parts do not go all the way to the main stalk. Instead they each have stems to the stalk, like this:
A boneset would have leaves that seem to grow all the way to the stem and are merged with each other around the stem. Unfortunately, we haven’t seen that plant, but are trying to find one.