The most common and most likely answer to this crossword clue is the 13 letter word RAMIFICATIONS
I've seen this crossword clue in The Daily Telegraph
R
A
M
I
F
I
C
A
T
I
O
N
S
Buddy explains!
The straight part
We know that "Consequences" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case consequences = ramifications.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 RAMIFICATIONS mean?
RAMIFICATIONS noun- A branching-out, the act or result of developing branches; specifically the divergence of the stem and limbs of a plant into smaller ones, or of similar developments in blood vessels, anatomical structures etc.
- An offshoot of a decision, fact etc.; a consequence or implication, especially one which complicates a situation.
- An arrangement of branches.