A leaf-like structure that contains megasporangia, found in some seed plants.

A reproductive structure found in some plants, particularly conifers, that contains megasporangia.

The process of cell division that reduces chromosome number by half, producing gametes in plants and animals.

Pollination by bees or other insects that are attracted to the sweet nectar of flowers.

Having the texture or consistency of a membrane, often used to describe thin, flexible plant tissues.

A thin, flexible layer of tissue, often used to describe cellular structures or layers in plants.

Describing a plant structure that is thin, flexible, and often translucent, similar to a membrane.

Describing a structure that is curved or crescent-shaped, resembling the shape of a meniscus.

A part of a flower, especially in orchids, that is a lip or projection at the base of the flower.

A single segment of a fruit, often associated with plants in the parsley family, that contains one seed.