The main axis of a plant, bearing roots, leaves and/or flowers.
The main trunk of a tree or plant; any part of a plant (such as a branch or a petiole) that supports another part, such as a leaf or flower.
The axis of a plant bearing leaves with buds in their axils. It may be above or below ground.
The structure supporting the cap or head of a fungus; also called a stipe or stalk.
Stalk-like portion of a mushroom’s fruiting body; main stalk of any plant.
A thin piece of tissue which attaches an organ or growth to the main tissue.
The main body of a plant, that connects the roots to the leaves and flowers, or any part of it. Trunks, branches and twigs are all stems.
Section of the pin curl between the base and first arc (turn) of the circle that gives the circle its direction and movement, the basic question or problem.