Very strange. The first thing that comes to mind is that your crape may have been injured by application of a weed control product such as Roundup or another such product. It should grow out of this damage in time since the injury was apparently not fatal. If the crape has put out normal leaves in the past this is the only thing that I can think of that would do this. If this is not correct please feel free to submit another question to the Monrovia website.
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