Having parts in groups of four, such as four petals or sepals in a flower.

Referring to a structure, often floral, that is divided into four parts, such as a flower with four petals.

Having four stamens, typically used in the description of a flower.

A classification based on the texture or structure of a plant part, such as leaves or fruits.

The central part of a flower’s structure, where the reproductive organs are attached, also known as the receptacle.

Having a structure similar to a thallus, often used to describe plants with undifferentiated tissues.

Referring to or resembling a thallus, often used in the context of non-vascular plants.

The undifferentiated body of certain plants and fungi, such as algae or lichens, which lacks distinct tissues like roots, stems,…

The body of a non-vascular plant, such as algae or lichen, that is not differentiated into distinct organs.

A protective covering or case, especially referring to the spore-producing structure in some plants and fungi.