kuri-chiku vs Phyllostachys nigra

kuri-chiku and Phyllostachys nigra both are nouns.

Word	Noun	Adjective	Verb	Adverb
kuri-chiku	Yes	No	No	No
Phyllostachys nigra	Yes	No	No	No

As nouns, kuri-chiku and Phyllostachys nigra are synonyms defined as:

kuri-chiku and Phyllostachys nigra: small bamboo having thin green culms turning shining black

Other synonyms of kuri-chiku include black bamboo.

kuri-chiku (noun)	Phyllostachys nigra (noun)
small bamboo having thin green culms turning shining black	small bamboo having thin green culms turning shining black