Nicotiana glauca vs tree tobacco

Nicotiana glauca and tree tobacco both are nouns.

Word	Noun	Adjective	Verb	Adverb
Nicotiana glauca	Yes	No	No	No
tree tobacco	Yes	No	No	No

As nouns, Nicotiana glauca and tree tobacco are synonyms defined as:

Nicotiana glauca and tree tobacco: evergreen South American shrub naturalized in United States; occasionally responsible for poisoning livestock

Other synonyms of Nicotiana glauca include mustard tree.

Nicotiana glauca (noun)	tree tobacco (noun)
evergreen South American shrub naturalized in United States; occasionally responsible for poisoning livestock	evergreen South American shrub naturalized in United States; occasionally responsible for poisoning livestock