
Phyllotaxis
In botany, phyllotaxis or phyllotaxy is the arrangement of leaves on a plant stem. Phyllotactic spirals form a distinctive class of patterns in nature which are commonly seen in sunflowers, pinecones, and many species of cacti.

In botany, phyllotaxis or phyllotaxy is the arrangement of leaves on a plant stem. Phyllotactic spirals form a distinctive class of patterns in nature which are commonly seen in sunflowers, pinecones, and many species of cacti.