fir vs Santa Lucia fir

fir and Santa Lucia fir both are nouns.

Word	Noun	Adjective	Verb	Adverb
fir	Yes	No	No	No
Santa Lucia fir	Yes	No	No	No

As nouns, Santa Lucia fir is a hyponym of fir; that is, Santa Lucia fir is a word with a more specific, narrower meaning than fir:

fir: any of various evergreen trees of the genus Abies; chiefly of upland areas
Santa Lucia fir: a pyramidal fir of southwestern California having spiny pointed leaves and cone scales with long spines

Other hyponyms of fir include silver fir, Abies bracteata, Abies venusta, bristlecone fir.

fir (noun)	Santa Lucia fir (noun)
any of various evergreen trees of the genus Abies; chiefly of upland areas	a pyramidal fir of southwestern California having spiny pointed leaves and cone scales with long spines
nonresinous wood of a fir tree