Coriandrum sativum vs coriander plant

Coriandrum sativum and coriander plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
Coriandrum sativum	Yes	No	No	No
coriander plant	Yes	No	No	No

As nouns, Coriandrum sativum and coriander plant are synonyms defined as:

Coriandrum sativum and coriander plant: Old World herb with aromatic leaves and seed resembling parsley

Other synonyms of Coriandrum sativum include Chinese parsley, cilantro, coriander.

Coriandrum sativum (noun)	coriander plant (noun)
Old World herb with aromatic leaves and seed resembling parsley	Old World herb with aromatic leaves and seed resembling parsley