1. a gymnosperm plant, Welwitschia mirabilis, of the Namib Desert in SW Africa, consisting of two large woody leaves lying on the ground with a conelike structure arising between them: phylum Gnetophyta

Word Origin for welwitschia

C19: named after F. M. J. Welwitsch (1807–72), Portuguese botanist, born in Austria
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Examples from the Web for welwitschia

Historical Examples of welwitschia