Ulmus rubra, commonly known as the slippery elm, is a deciduous tree native to North America. It typically grows between 20 to 60 feet tall and features a broad, rounded crown. The tree is recognized for its distinctive, rough bark and serrated leaves, which are dark green on top and lighter underneath. The inner bark of Ulmus rubra contains mucilage, a gel-like substance that has been used in traditional medicine for its soothing properties. This tree thrives in a variety of soil types and is often found in moist, wooded areas. It also provides habitat and food for various wildlife species.