wheately elm vs elm tree

wheately elm and elm tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
wheately elm	Yes	No	No	No
elm tree	Yes	No	No	No

As nouns, elm tree is a hypernym of wheately elm; that is, elm tree is a word with a broader meaning than wheately elm:

wheately elm: a variety of the English elm with erect branches and broader leaves
elm tree: any of various trees of the genus Ulmus: important timber or shade trees

Other hypernyms of wheately elm include elm.

wheately elm (noun)	elm tree (noun)
a variety of the English elm with erect branches and broader leaves	any of various trees of the genus Ulmus: important timber or shade trees