ALDER

Birch relative (5)

Solution has appeared in 2 crosswords (1 across and 1 down):

• Quick crossword No 15,431 — 2019-10-21 23:00:42
  20A: Tree of the birch family (5)
• Quick crossword No 15,267 — 2019-04-12 23:00:03
  6D: Birch relative (5)