China aster vs Callistephus chinensis

China aster and Callistephus chinensis both are nouns.

Word	Noun	Adjective	Verb	Adverb
China aster	Yes	No	No	No
Callistephus chinensis	Yes	No	No	No

As nouns, China aster and Callistephus chinensis are synonyms defined as:

China aster and Callistephus chinensis: valued for their beautiful flowers in a wide range of clear bright colors; grown primarily for cutting

China aster (noun)	Callistephus chinensis (noun)
valued for their beautiful flowers in a wide range of clear bright colors; grown primarily for cutting	valued for their beautiful flowers in a wide range of clear bright colors; grown primarily for cutting