Phyllostachys aurea vs bamboo

Phyllostachys aurea and bamboo both are nouns.

Word	Noun	Adjective	Verb	Adverb
Phyllostachys aurea	Yes	No	No	No
bamboo	Yes	No	No	No

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

Phyllostachys aurea: small bamboo of southeastern China having slender culms flexuous when young
bamboo: woody tropical grass having hollow woody stems; mature canes used for construction and furniture

Phyllostachys aurea (noun)	bamboo (noun)
small bamboo of southeastern China having slender culms flexuous when young	woody tropical grass having hollow woody stems; mature canes used for construction and furniture
	the hard woody stems of bamboo plants; used in construction and crafts and fishing poles