Phyllostachys vs monocot genus

Phyllostachys and monocot genus both are nouns.

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

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

Phyllostachys: medium and large bamboos
monocot genus: genus of flowering plants having a single cotyledon (embryonic leaf) in the seed

Other hypernyms of Phyllostachys include liliopsid genus.

Phyllostachys (noun)	monocot genus (noun)
medium and large bamboos	genus of flowering plants having a single cotyledon (embryonic leaf) in the seed