king protea vs protea

king protea and protea both are nouns.

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

As nouns, protea is a hypernym of king protea; that is, protea is a word with a broader meaning than king protea:

king protea: South African shrub whose flowers when open are cup-shaped resembling artichokes
protea: any tropical African shrub of the genus Protea having alternate rigid leaves and dense colorful flower heads resembling cones

king protea (noun)	protea (noun)
South African shrub whose flowers when open are cup-shaped resembling artichokes	any tropical African shrub of the genus Protea having alternate rigid leaves and dense colorful flower heads resembling cones