king protea vs Protea cynaroides

king protea and Protea cynaroides both are nouns.

Word	Noun	Adjective	Verb	Adverb
king protea	Yes	No	No	No
Protea cynaroides	Yes	No	No	No

As nouns, king protea and Protea cynaroides are synonyms defined as:

king protea and Protea cynaroides: South African shrub whose flowers when open are cup-shaped resembling artichokes

Other synonyms of king protea include honeypot.

king protea (noun)	Protea cynaroides (noun)
South African shrub whose flowers when open are cup-shaped resembling artichokes	South African shrub whose flowers when open are cup-shaped resembling artichokes