The disk floret has five petals, sometimes referred to as lobes, which are fused into its own corolla in the shape of a tube.
ðə dˈɪsk flˈɔːɹət hɐz fˈaɪv pˈɛɾəlz, sˈʌmtaɪmz ɹᵻfˈɜːd tʊ æz lˈoʊbz, wˌɪtʃ ɑːɹ fjˈuːzd ˌɪntʊ ɪts ˈoʊn kɚɹˈoʊlə ɪnðə ʃˈeɪp əvə tˈuːb.