Sycamore Tree (Platanus occidentalis) The American Sycamore Tree (Platanus occidentalis) is one of North America’s most distinctive native trees—known for its mottled bark, immense size, and rich cultural history. Sycamore Tree: Botanical Review. The American Sycamore (Platanus occidentalis) is among the largest deciduous trees native to North America. Its patchy, camouflage-like bark peels to reveal […]