This guide on Pipturus Albidus (māmaki) from UH CTAHR details its status as a Hawaiian endemic plant, its traditional uses for clothing dye, medicine, and as food for insects, and its habitat in the understory of wet forests on all Hawaiian islands except Kaho‘olawe and Ni‘ihau. The guide also discusses efforts to expand the māmaki tea market by identifying high-yielding, superior-tasting varieties.