Perforate leaves, sometimes called fenestrate, occur naturally in some species of plants. ... It could also help to cool the plant by producing turbulence around the leaf. Another possibility is that perforation is a defense against herbivory. The holes might make the leaf look less enticing to herbivores.

What does fenestrated mean in plants?

Fenestration is a term in botany that refers to natural holes in the leaves of some species of plants. The size, shape, and quantity of holes in each leaf can vary greatly depending on the species and can even vary greatly within a given species.

Why do plant leaves split?

Splitting Leaves in Plants

Leaves splitting down the middle of plants, like indoor orchids, are often a response to low humidity. ... Sometimes, wetting the leaves in the morning can help increase humidity if the plants are located too far from a humidity source.