Centranthus ruber vs flower

Centranthus ruber and flower both are nouns.

Word	Noun	Adjective	Verb	Adverb
Centranthus ruber	Yes	No	No	No
flower	Yes	No	Yes	No

As nouns, flower is a hypernym of Centranthus ruber; that is, flower is a word with a broader meaning than Centranthus ruber:

Centranthus ruber: European herb with small fragrant crimson or white spurred flowers
flower: a plant cultivated for its blooms or blossoms

Centranthus ruber (noun)	flower (noun)
European herb with small fragrant crimson or white spurred flowers	a plant cultivated for its blooms or blossoms
	reproductive organ of angiosperm plants especially one having showy or colorful parts
	the period of greatest prosperity or productivity

Centranthus ruber (verb)	flower (verb)
	produce or yield flowers