Poem that’s typically unrhymed

HAIKU

This short Japanese form often captures nature in just three lines with a 5-7-5 syllable structure.

This clue points to "haiku," a short Japanese poetic form known for its three-line structure with a 5-7-5 syllable pattern. While haikus often focus on nature or seasons, they don’t usually rely on rhyme, which matches the "unrhymed" hint. The answer fits because it’s a well-known poem type that skips traditional rhyming schemes.