The most common and most likely answer to this crossword clue is the 11 letter word UNPEDIGREED
I've seen this crossword clue in The Times
U
N
P
E
D
I
G
R
E
E
D
Buddy explains!
The straight part
We know that "without obvious extraction?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case without obvious extraction? = unpedigreed.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.