Question

Answer in one word:

A stalk by which flowers are attached to the stem.

Answer 1

Pedicel:

1. The flower develops as a bud from the stem and pedicel acts as the stalk that keeps the flower attached to the stem.
2. The tip of the pedicel is a flattened structure called the thalamus, where all the four whorls of flower originate.

Final Answer: The stalk by which flowers are attached to the stem is called pedicel.