Chrysanthemum morifolium vs mum

Chrysanthemum morifolium and mum both are nouns.

Word	Noun	Adjective	Verb	Adverb
Chrysanthemum morifolium	Yes	No	No	No
mum	Yes	Yes	No	No

As nouns, Chrysanthemum morifolium and mum are synonyms defined as:

Other synonyms of Chrysanthemum morifolium include Dendranthema grandifloruom, florist's chrysanthemum, florists' chrysanthemum.

Chrysanthemum morifolium (noun)	mum (noun)
of China	secrecy
	informal terms for a mother
	of China

Chrysanthemum morifolium (adjective)	mum (adjective)
	failing to speak or communicate etc when expected to