The Hapu'u tree fern (scientific name: *Sadleria cyatheoides*) is a large, native fern found primarily in the tropical forests of Hawaii. It can grow up to 30 feet tall and features a thick, upright trunk topped with a crown of large, feathery fronds. The fronds can reach lengths of up to 10 feet, creating a lush, green canopy. Hapu'u tree ferns thrive in moist, shaded environments and are often found in areas with rich, volcanic soil. They play a crucial role in their ecosystem by providing habitat for various species and contributing to soil stability. Their unique appearance makes them popular in landscaping and garden design.