When you cut flowers for a bouquet, you are generally cutting the peduncle. Peduncles are simply flowering stems, but they may surprise you.
Peduncles and inflorescences
When clusters of flowers grow together, it is called an inflorescence. An inflorescence is also supported by a peduncle, but the stems within the cluster, supporting the florets, are called pedicels, or strigs. For example, clusters of grapes grow on a peduncle, while the individual grapes hang from pedicels.
Peduncles can occur in plants without stems, they may continue to grow indefinitely, and some peduncles grow underground.
The peduncle of a simple flower is easy to recognize. It is the classic stem you hold, cut, or put into a vase to admire. Its job is to support the flower. An artichoke stem is a peduncle, and for the same reason.
Now you know.
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