Colocasia vs liliopsid genus

Colocasia and liliopsid genus both are nouns.

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

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

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

Other hypernyms of Colocasia include monocot genus.

Colocasia (noun)	liliopsid 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