Sensual Design of Flowers

Vincent van Gogh's Arles in Spring with Iris Flowers.

Iris Flowers in Spring.

Sensual shape of the Iris flower.

Iris Flower resembling Rolling Stones logo.
It occurred to me that many flowers in my backyard have super sensual shapes...  Take for example the Iris flower, one of Vincent van Gogh's favorite subjects.  The sensual shape of the Iris flower looks like plump sensual lips.