Appears to be ill. Losing foliage from the canopy.
Disclaimer: This observation includes ALL the photographs I intended to take of this particular organism. That may NOT include images of the entire organism, all of its defining characteristics, or the general area in which it was found. I am already aware that this may reduce the likelihood of a species level identification.
growing weedy on a traffic island
tentative ID
host to aphids
tentative ID
host to a gall