Answer: You have asked an interesting question. I took out my copy of Michael Dirr's Manual of Woody Landscape Plants because I could not remember the term sagittate among leaf shapes. In fact, I did not find a reference to it. So unfortunately I am unable to answer your question. If this is a test or exam question I would suggest you check with your teacher or professor or check in your course references. I'm sorry I can't be more helpful.
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