laburnum

noun

1. Any tree of the genus Laburnum.

   “[…] Lord Henry Wotton could just catch the gleam of the honey-sweet and honey-coloured blossoms of a laburnum, whose tremulous branches seemed hardly able to bear the burden of a beauty so flame-like as theirs[.]”

   “The trees began to come fully alive. The larches and birches were covered with green, the laburnums with gold.”