What does the stem of a flower do?

The stems of plants vary widely, depending on the lifestyle, growth habit and location of the plant. For example, sunflowers have long, thick stems that lift the flower heads up to 6 feet in the air. By contrast, the stems of some vines are long, flexible and feature extensions called tendrils that help them ascend trees. read more

The root cap, which is found at the tip of the root and is shaped like a thimble, protects the delicate, growing root tip from damage as it pushes through the soil. This part of the root is referred to as the meristematic region. read more

A stem is one of two main structural axes of a vascular plant, the other being the root. The stem is normally divided into nodes and internodes: The nodes hold one or more leaves, as well as buds which can grow into branches (with leaves, conifer cones, or inflorescences (flowers)). read more