India-rubber tree vs India-rubber plant

India-rubber tree and India-rubber plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
India-rubber tree	Yes	No	No	No
India-rubber plant	Yes	No	No	No

As nouns, India-rubber tree and India-rubber plant are synonyms defined as:

India-rubber tree and India-rubber plant: large tropical Asian tree frequently dwarfed as a houseplant; source of Assam rubber

Other synonyms of India-rubber tree include Assam rubber, Ficus elastica, India-rubber fig, rubber plant.

India-rubber tree (noun)	India-rubber plant (noun)
large tropical Asian tree frequently dwarfed as a houseplant; source of Assam rubber	large tropical Asian tree frequently dwarfed as a houseplant; source of Assam rubber