Platanus orientalis vs platan

Platanus orientalis and platan both are nouns.

Word	Noun	Adjective	Verb	Adverb
Platanus orientalis	Yes	No	No	No
platan	Yes	No	No	No

As nouns, platan is a hypernym of Platanus orientalis; that is, platan is a word with a broader meaning than Platanus orientalis:

Platanus orientalis: large tree of southeastern Europe to Asia Minor
platan: any of several trees of the genus Platanus having thin pale bark that scales off in small plates and lobed leaves and ball-shaped heads of fruits

Other hypernyms of Platanus orientalis include plane tree, sycamore.

Platanus orientalis (noun)	platan (noun)
large tree of southeastern Europe to Asia Minor	any of several trees of the genus Platanus having thin pale bark that scales off in small plates and lobed leaves and ball-shaped heads of fruits