yellow asphodel vs Asphodeline lutea

yellow asphodel and Asphodeline lutea both are nouns.

Word	Noun	Adjective	Verb	Adverb
yellow asphodel	Yes	No	No	No
Asphodeline lutea	Yes	No	No	No

As nouns, yellow asphodel and Asphodeline lutea are synonyms defined as:

yellow asphodel and Asphodeline lutea: asphodel with leafy stem and fragrant yellow flowers

Other synonyms of yellow asphodel include king's spear.

yellow asphodel (noun)	Asphodeline lutea (noun)
asphodel with leafy stem and fragrant yellow flowers	asphodel with leafy stem and fragrant yellow flowers