giant timber bamboo vs Phyllostachys bambusoides

giant timber bamboo and Phyllostachys bambusoides both are nouns.

Word	Noun	Adjective	Verb	Adverb
giant timber bamboo	Yes	No	No	No
Phyllostachys bambusoides	Yes	No	No	No

As nouns, giant timber bamboo and Phyllostachys bambusoides are synonyms defined as:

giant timber bamboo and Phyllostachys bambusoides: large bamboo having thick-walled culms; native of China and perhaps Japan; widely grown elsewhere

Other synonyms of giant timber bamboo include ku-chiku, madake.

giant timber bamboo (noun)	Phyllostachys bambusoides (noun)
large bamboo having thick-walled culms; native of China and perhaps Japan; widely grown elsewhere	large bamboo having thick-walled culms; native of China and perhaps Japan; widely grown elsewhere