Biomorphism is an art form that takes cues from nature and living organisms. It features free-form shapes of rounded edges and sensual curves.
I stumbled across this down a research rabbit hole for a branding project. I found heaps of examples of these in art, architecture and industrial design.
Herman Miller x Wade and Leta Holiday Campaign 2019, Wade and Leta
Daily render in Adobe Dimension — Biomorphism 20181124, Anna Natter
And a couple a books for visual inspiration. I haven’t actually read these but these dudes, the authors and publishers seems reputable and know what they are talking about.