Orbignya vs monocot genus

Orbignya and monocot genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Orbignya	Yes	No	No	No
monocot genus	Yes	No	No	No

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

Orbignya: palms of southern Mexico to northern South America: babassu palm
monocot genus: genus of flowering plants having a single cotyledon (embryonic leaf) in the seed

Other hypernyms of Orbignya include liliopsid genus.

Orbignya (noun)	monocot genus (noun)
palms of southern Mexico to northern South America: babassu palm	genus of flowering plants having a single cotyledon (embryonic leaf) in the seed