2615
The species superficially resembles American elm ( " U. americana " ) , but is more closely related to the European wych elm ( " U. glabra " ) , which has a very similar flower structure , though lacks the pubescence over the seed .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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