doom palmReference work entryDOI: https://doi.org/10.1007/978-3-540-72816-0_6738 17 Downloads How to cite a variety of vegetable palm nuts ivory used as imitation of ivory are the hard nuts of certain palm tree of Hyphaene thebaica found in north and central Africa. Also spelled doum palm. Open image in new window This is a preview of subscription content, log in to check access.Copyright information© Springer-Verlag Berlin Heidelberg New York 2009