Thyme leaves are small, aromatic, and have a green color. They are narrow and elliptical in shape, measuring approximately 1/4 to 1/2 inch in length. The leaves grow in pairs along thin stems, and their edges are smooth or slightly curled. Thyme leaves have a strong, distinct fragrance and a slightly minty, herbal taste. They are commonly used as a culinary herb in various cuisines for their flavor-enhancing properties.