A group of species that share common characteristics and are classified under the same name.

A plant that survives adverse conditions by means of underground storage organs like bulbs, tubers, or rhizomes.

Referring to growth or movement in response to gravity.

The growth or movement of plants in response to gravity.

The tube-like structure that develops from a spore or pollen grain and grows toward a receptive surface.

To begin to grow or sprout from a seed or spore.

The process by which a seed develops into a new plant.

Relating to the development or production of new plants from seeds or spores.

Having a rounded or swollen shape, often used to describe leaves, fruits, or flowers.

Swollen or rounded, especially in reference to plant structures.