Sambucus Caerulea is a variety of elderberry tree that is native to North America. The tree is widely known for its medicinal properties and is used to make a variety of natural remedies like syrups, teas and capsules. However, Sambucus Caerulea is also known by various other names like blue elderberry, American elderberry, and Nelson's elderberry. The tree can grow up to 30 feet tall and produces large clusters of small, blue-black berries that are often used in jams, jellies, and pies. So if you're looking for this versatile and beneficial tree, be sure to keep an eye out for its different names.