lily vs Lilium candidum

lily and Lilium candidum both are nouns.

Word	Noun	Adjective	Verb	Adverb
lily	Yes	No	No	No
Lilium candidum	Yes	No	No	No

As nouns, Lilium candidum is a hyponym of lily; that is, Lilium candidum is a word with a more specific, narrower meaning than lily:

lily: any liliaceous plant of the genus Lilium having showy pendulous flowers
Lilium candidum: lily of eastern Mediterranean and the Balkans with broad funnel-shaped white flowers

lily (noun)	Lilium candidum (noun)
any liliaceous plant of the genus Lilium having showy pendulous flowers	lily of eastern Mediterranean and the Balkans with broad funnel-shaped white flowers