hamelia vs scarlet bush

hamelia and scarlet bush both are nouns.

Word	Noun	Adjective	Verb	Adverb
hamelia	Yes	No	No	No
scarlet bush	Yes	No	No	No

As nouns, scarlet bush is a hyponym of hamelia; that is, scarlet bush is a word with a more specific, narrower meaning than hamelia:

hamelia: any of several flowering tropical or subtropical shrubs of the genus Hamelia
scarlet bush: handsome shrub with showy orange to scarlet or crimson flowers; Florida and West Indies to Mexico and Brazil

Other hyponyms of hamelia include coloradillo, Hamelia erecta, Hamelia patens, scarlet hamelia.

hamelia (noun)	scarlet bush (noun)
any of several flowering tropical or subtropical shrubs of the genus Hamelia	handsome shrub with showy orange to scarlet or crimson flowers; Florida and West Indies to Mexico and Brazil