flower vs inflorescence

flower and inflorescence both are nouns.

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

As nouns, inflorescence is a hyponym of flower; that is, inflorescence is a word with a more specific, narrower meaning than flower:

flower: reproductive organ of angiosperm plants especially one having showy or colorful parts
inflorescence: the flowering part of a plant or arrangement of flowers on a stalk

Other hyponyms of flower include floret, floweret, apetalous flower, ray floret, ray flower, bud, chrysanthemum.

flower (noun)	inflorescence (noun)
a plant cultivated for its blooms or blossoms	the flowering part of a plant or arrangement of flowers on a stalk
reproductive organ of angiosperm plants especially one having showy or colorful parts	the time and process of budding and unfolding of blossoms
the period of greatest prosperity or productivity

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