zinnia vs flower

zinnia and flower both are nouns.

Word	Noun	Adjective	Verb	Adverb
zinnia	Yes	No	No	No
flower	Yes	No	Yes	No

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

zinnia: any of various plants of the genus Zinnia cultivated for their variously and brightly colored flower heads
flower: a plant cultivated for its blooms or blossoms

zinnia (noun)	flower (noun)
any of various plants of the genus Zinnia cultivated for their variously and brightly colored flower heads	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

zinnia (verb)	flower (verb)
	produce or yield flowers