10 Sapindus Mukorossi Tree Seeds, Soapnut, Soap Nut, Soapberry, Soap Berry, Washnut, and Wash Nut. Sapindus mukorossi Tree Seeds , Soapnut, Soap Nut Tree Seeds, Soapberry Seeds, Soap Berry Tree Seeds, Washnut, and Wash Nut. Washnut Tree Seeds, Wash Nut Tree Seeds.