Leontopodium alpinum vs edelweiss

Leontopodium alpinum and edelweiss both are nouns.

Word	Noun	Adjective	Verb	Adverb
Leontopodium alpinum	Yes	No	No	No
edelweiss	Yes	No	No	No

As nouns, Leontopodium alpinum and edelweiss are synonyms defined as:

Leontopodium alpinum and edelweiss: alpine perennial plant native to Europe having leaves covered with whitish down and small flower heads held in stars of glistening whitish bracts

Leontopodium alpinum (noun)	edelweiss (noun)
alpine perennial plant native to Europe having leaves covered with whitish down and small flower heads held in stars of glistening whitish bracts	alpine perennial plant native to Europe having leaves covered with whitish down and small flower heads held in stars of glistening whitish bracts