Definition of "welwitschia" []

• The sole plant in the genus Welwitschia. (noun)

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• "SOME OF THE PLANET'S LONGEST-LIVED ORGANISMSNAMIBIA: Welwitschia mirabilis The 2,000-year-old welwitschia plant found in the Namib-Naukluft desert is an unlikely-looking conifer that produces only two leaves in its lifetime? the longest in the plant kingdom."
• "On a road trip from Cape Town to Namibia, she tracked down a 2,000-year-old welwitschia plant, a variety of conifer that grows only two leaves, which get shredded into a mass of ribbons in sand storms."
• "To capture moisture from sea fog, the welwitschia, also known as tree tumbo, has evolved special leaves."