Certified GKH Gardening Expert
Usually, you will notice cups, or rosettes of leaves. This will indicate that it is a flowering stolon. These are usually brought about by temperature differences, or daylight lengths, depending on the type of strawberry that you have.
This article will help you with the care of strawberries: https://www.gardeningknowhow.com/edible/fruits/strawberry/growing-strawberry-plants.htm