#family_Welwitschiaceae__Welwitschiaceae  in some classifications included in the Gnetaceae
  supertype:  gymnosperm_family  a family of gymnosperms
  member of:  order_Gnetales
  member:  genus_Welwitschia__genus_Welwitchia  type and sole genus of Welwitschiaceae
     member:  welwitschia__Welwitschia_mirabilis  curious plant of arid regions of southwestern Africa having a yard-high and yard-wide trunk like a turnip with a deep taproot and two large persistent woody straplike leaves growing from the base; living relic of a flora long disappeared; some may be 700-5000 years old

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