Ziziphus vs magnoliopsid genus

Ziziphus and magnoliopsid genus both are nouns.

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

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

Ziziphus: spiny chiefly tropical American and Asiatic shrubs: jujubes
magnoliopsid genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of Ziziphus include dicot genus.

Ziziphus (noun)	magnoliopsid genus (noun)
spiny chiefly tropical American and Asiatic shrubs: jujubes	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination