It may have some . However, it doesn't have to rhyme or follow a particiular pattern.
It can be called a free-verse.
Blank verse does not have rhymes.
verse
Free verse has variable rhythm.
Free form and free verse.
Education, Business and Free Verse
as long as you want it to be, it's FREE verse
"Poem" rhymes with "lone".
the song is called Look at me now , by Chris Brown (1st verse) , Busta Rhymes ( 2nd verse and Lil` Wayne (3rd verse) .
a lyric
There isn't a requirement of rhythm for a free verse poem.
Poetry that does not use set meter or rhyme scheme is known as free verse. This phrase, however, can be somewhat deceptive because while poetry in this form does not adhere to traditional definitions of poetry forms, these elements of rhyme and meter are still important. It is rare to find a poem that is truly free verse, where the poet has not thought extremely carefully about every word choice in each line.