The most common and most likely answer to this crossword clue is the 9 letter word EGLANTINE
I've seen this crossword clue in Financial Times
E
G
L
A
N
T
I
N
E
More clues leading to the result EGLANTINE
- Wild rose, say, by can in country road
- Say piece of poetry about creepy-crawly in rose
- Rose‘s inelegant disposition
- Kind of inelegant plant
- Appallingly inelegant of Rose
- Plant sprawling in tangle by base of tree
- Rose for example worker planted in row
- For instance, worker in business producing plant
- Rose perhaps wants social worker kept in line
- Plant producing fragrance in a gentle wind
Buddy explains!

The straight part
We know that "plant" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case plant = eglantine.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.
What does EGLANTINE mean?
EGLANTINE noun- A Eurasian rose, Rosa eglanteria, having prickly stems, fragrant leaves, pink flowers and red hips.