Colocasia vs monocot genus

Colocasia and monocot genus both are nouns.

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

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

Colocasia: small genus of perennial tuberous herbs of tropical Asia: taro
monocot genus: genus of flowering plants having a single cotyledon (embryonic leaf) in the seed

Other hypernyms of Colocasia include liliopsid genus.

Colocasia (noun)	monocot genus (noun)
small genus of perennial tuberous herbs of tropical Asia: taro	genus of flowering plants having a single cotyledon (embryonic leaf) in the seed