[mod. L., named by J. D. Hooker (1862), after Dr. Friedrich Welwitsch (180672), Austrian botanist: see -IA.] A genus of gymnospermous plants (N. O. Gnetaceæ) consisting of one species W. mirabilis, native to the sandy regions of western Africa.
1862. Trans. Linnæan Soc. (1864), I. 1. On Welwitschia, a new Genus of Gnetaceæ. By Joseph Dalton Hooker.
1866. Treas. Bot.