Petalless Flowers: A Look at Plants Without Petals

Petalless refers to a flower that does not have any petals. In other words, it is a flower that has no visible petals or corolla. This can occur in various ways, such as due to genetic mutations, environmental factors, or disease. Some examples of petalless flowers include:

1. Daisies - While daisies typically have white or yellow petals, some varieties can be bred to be petalless, resulting in a single-petaled or "button" daisy.
2. Sunflowers - Some sunflower varieties can have petalless flowers, which are often referred to as "suns" or "buttons."
3. Zinnias - Some zinnia varieties can produce petalless flowers, which can be caused by genetic mutations or environmental stress.
4. Marigolds - Some marigold varieties can have petalless flowers, which can be due to genetic factors or disease.
5. Dahlias - Some dahlia varieties can have petalless flowers, which can be caused by genetic mutations or environmental stress.

It's worth noting that while these flowers may lack petals, they can still produce nectar and pollen for pollinators, and they can still be attractive and interesting to look at.