The flowers float like gold petillant bubbles in the woods, their crackling too soft for my human ears.

I think this is a berry, but I’m not sure. It is on an old farm in Quilcene, gone wild. There is a cherry tree and four rhododendrons, an old chicken coop and an apple tree. Salmonberries and this. What is it?

For the Ragtag Daily Prompt: petillant.