`ama`u

Sadleria squarrosa is a terrestrial fern characterized by its distinctive, leathery fronds that are typically arranged in a rosette. The plant is adapted to moist, shaded environments and is often found in mesic to wet forests. As a member of the Blechnaceae family, it shares traits with other wood ferns, including a creeping rhizome and persistent, scale-covered stems. The species plays a role in stabilizing soil and providing habitat for native insects and birds. It is also culturally significant to Native Hawaiians, who historically used it for thatching and other practical purposes.