No, the physical tomato is a fruit that grows on a talk (stem).
A young tomato plant and an adult tomato plant both have a stem.
stem
It is technically a fruit.
A tomato is the developed ovary of the tomato plant flower. The plant is called a tomato plant and the fruit is the tomato you buy in the fruit shop.
The top is called the stem end and the bottom is called the bottom.
stem
the stem
soft to woody
The main parts of a tomato plants is the stem.The stem carries the food to yhe flower
Tomato plants can be pruned by removing the "sucker" stems that grow between the main stem and the side stem. You will notice they look like a small leaf that starts growing into a stem. It comes out at a 45 degree angle and is easy to spot.
There really is no scientific word for it although it can also be referred to as either a stem or stalk.
Your tomato stem may be turning brown due to a condition called stem rot, which is often caused by overwatering, poor drainage, or fungal infections. It is important to ensure proper watering practices and good air circulation around the plant to prevent this issue.