Rose petals' unique shapes come from stress during growth. Differential growth and mechanical stresses create curled edges. Research shows petals violate a mathematical condition, causing stress.

At its heart, this research uncovers the hidden geometric principles behind the unique shape of rose petals. While scientists extensively studied shape morphing in natural sheets such as leaves and ...

Rose petals, celebrated for their vivid colours and graceful curves, are more than just visually striking. Their unique shapes arise from a complex interaction of biology, physics, and geometry. As ...