The most common and most likely answer to this crossword clue is the 4 letter word ERIN
I've seen this crossword clue in The Guardian
E
R
I
N
More clues leading to the result ERIN
- Some characters of greater interest for poetic Ireland
- Explorer’s vacant homeland in poetry
- Eagle shortly crossing island, a poetic land
- Ireland participating in murder investigation
- Partly discovering poetic Ireland
- Colleen cutting blue rinse
- About turn in Old Ireland
- The Queen in Ireland
- Poets’ name for island in Munger, India
- . Slithering asp released by Persian in Ireland
Buddy explains!

The straight part
We know that "land in poetry" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case land in poetry = erin.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.