Platanus vs rosid dicot genus

Platanus and rosid dicot genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Platanus	Yes	No	No	No
rosid dicot genus	Yes	No	No	No

As nouns, rosid dicot genus is a hypernym of Platanus; that is, rosid dicot genus is a word with a broader meaning than Platanus:

Platanus: genus of large monoecious mostly deciduous trees: London plane; sycamore
rosid dicot genus: a genus of dicotyledonous plants

Platanus (noun)	rosid dicot genus (noun)
genus of large monoecious mostly deciduous trees: London plane; sycamore	a genus of dicotyledonous plants