I live in an area of nursery growers. They haul huge loads of bushes and
trees and occasionally something will fall off the truck for some passerby
to claim. Today I was the lucky one and came across a shrub of some sort
that has square stems. Anyone know of any shrubs with square stems that grow
in a climate like that of the Portland, OR area? If given a few names I can
do the research to id this thing... or perhaps there is a key online someone
can suggest?

Thanks in advance.
Karen