giant cane vs Arundinaria gigantea

giant cane and Arundinaria gigantea both are nouns.

Word	Noun	Adjective	Verb	Adverb
giant cane	Yes	No	No	No
Arundinaria gigantea	Yes	No	No	No

As nouns, giant cane and Arundinaria gigantea are synonyms defined as:

giant cane and Arundinaria gigantea: tall grass of southern United States growing in thickets

Other synonyms of giant cane include cane reed.

giant cane (noun)	Arundinaria gigantea (noun)
tall grass of southern United States growing in thickets	tall grass of southern United States growing in thickets