Nephelium vs magnoliopsid genus

Nephelium and magnoliopsid genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Nephelium	Yes	No	No	No
magnoliopsid genus	Yes	No	No	No

As nouns, magnoliopsid genus is a hypernym of Nephelium; that is, magnoliopsid genus is a word with a broader meaning than Nephelium:

Nephelium: a genus of dicotyledonous trees of the family Sapindaceae that are native to Asia and Australia
magnoliopsid genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of Nephelium include dicot genus.

Nephelium (noun)	magnoliopsid genus (noun)
a genus of dicotyledonous trees of the family Sapindaceae that are native to Asia and Australia	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination