Nepenthes vs magnoliopsid genus

Nepenthes and magnoliopsid genus both are nouns.

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

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

Nepenthes: a genus of pitcher plants commonly known as tropical pitcher plants or monkey cups (Nepenthes)
magnoliopsid genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of Nepenthes include dicot genus.

Nepenthes (noun)	magnoliopsid genus (noun)
a genus of pitcher plants commonly known as tropical pitcher plants or monkey cups (Nepenthes)	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination