Material approaches to Polynesian barkcloth. Cloth, collections, communities.Barkcloth or tapa, a cloth made from the inner bark of trees, was widely used in place of woven cloth in the Pacific islands until the 19th century. A ubiquitous material, it was integral to the lives of islanders and used for clothing, furnishings and ritual artefacts. Material Approaches to Polynesian Barkcloth takes a new approach to the study of the history of this region through its barkcloth heritage, focusing on the plants themselves and