Question

a lone laburnum grows is it a metaphor

Answer 1

Laburnum, sometimes called golden chain orgolden rain, is a genus of two species of small trees in the subfamily Faboideae of the pea family Fabaceae. The species areLaburnum anagyroides—common laburnumand Laburnum alpinum—alpine laburnum. They are native to the mountains of southernEurope from France to the Balkans.