A cactus
Plant with a succulent trunk with photosynthetic function. The leaves are transformed in thorns to reduce the wasting of water. From the point of view of symmetry, a photo like this provides a good example of a nearly-perfect rosette with dihedral symmetry of type D12.
© Franco Valoti
foto di Franco Valoti
The image belongs to the sections...:
From "symmetry and everyday life" (From "XlaTangente")
Succulents (Anthology of images)
Succulents (Symmetry)
