kuri-chiku vs black bamboo

kuri-chiku and black bamboo both are nouns.

Word	Noun	Adjective	Verb	Adverb
kuri-chiku	Yes	No	No	No
black bamboo	Yes	No	No	No

As nouns, kuri-chiku and black bamboo are synonyms defined as:

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

Other synonyms of kuri-chiku include Phyllostachys nigra.

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