The most common and most likely answer to this crossword clue is the 5 letter word OSIER
I've seen this crossword clue in The Times
O
S
I
E
R
More clues leading to the result OSIER
- Person selling legwear, but not opening set of branches
- East End dealer providing something for basket-maker?
- Willow, abnormally large, that is overlooking river
- Point accepted by outstanding Irish basket-maker
- It makes chairs more comfy? Not initially
- Tree, more promising, topped
- Right to leave healthier-looking willow
- Topless seller of tights?—It’s Twiggy!
- Willow, oversize, that is over river
- Wood in fire is offered up
Buddy explains!

The straight part
We know that "Wood" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case wood = osier.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 OSIER mean?
OSIER noun- A kind of willow, Salix viminalis, growing in wet places in Europe and Asia, and introduced into North America. It is considered the best of the willows for basket work. The name is sometimes given to any kind of willow.
- One of the long, pliable twigs of this plant, or of other similar plants.