yaupon holly vs holly

yaupon holly and holly both are nouns.

Word	Noun	Adjective	Verb	Adverb
yaupon holly	Yes	No	No	No
holly	Yes	No	No	No

As nouns, holly is a hypernym of yaupon holly; that is, holly is a word with a broader meaning than yaupon holly:

yaupon holly: an evergreen shrub; a species of holly native to southeastern North America
holly: any tree or shrub of the genus Ilex having red berries and shiny evergreen leaves with prickly edges

yaupon holly (noun)	holly (noun)
an evergreen shrub; a species of holly native to southeastern North America	any tree or shrub of the genus Ilex having red berries and shiny evergreen leaves with prickly edges