The term 'maple tree' is a noun phrase, a group of words based on a noun that functions as a unit in a sentence.The noun phrase 'maple tree' does function as a compound noun, but it's not listed in dictionaries as a word. The nouns 'maple' and 'tree' are listed as individual words.
Most maples' leaves are simple. However there are at least three that I know, A negundo, aka boxelder, and A nikoense (Maximowiczianum), and A. griseum, or paperbark maple, whose leaves are compound
compound
compound
compound
Maple is not a fruit. Maple is a flavor based on the tree sap acquired from a Maple Tree
compound
Compound. It is either C6H1206(simple sugar), or C12H22011(polysaccharide)
compound
Simple
simple
== == The Red Maple leaf is similar to the Silver Maple leaf(which is a simple leaf), so I'd say that it's a simple leaf. it is a simple leaf