Nouns

(n)flowera plant cultivated for its blooms or blossoms
(n)flower, bloom, blossomreproductive organ of angiosperm plants especially one having showy or colorful parts
(n)flower, prime, peak, heyday, bloom, blossom, efflorescence, flushthe period of greatest prosperity or productivity

Verbs

(v)bloom, blossom, flowerproduce or yield flowers“The cherry tree bloomed”