croton vs Croton tiglium

croton and Croton tiglium both are nouns.

Word	Noun	Adjective	Verb	Adverb
croton	Yes	No	No	No
Croton tiglium	Yes	No	No	No

As nouns, croton and Croton tiglium are synonyms defined as:

croton (noun)	Croton tiglium (noun)
tropical Asiatic shrub; source of croton oil	tropical Asiatic shrub; source of croton oil
grown in many varieties for their brightly colored foliage; widely cultivated as a houseplant