welwitschia mirabilis - namib desert

africa desert plant dry namibia nature sand welwitschia arid dune fossil hot mirabilis namib perennial ancient old outdoor living national natural safari scenic weird wilderness desolate landscape sunny welwitschiaceae amazing botany wild forest stone welwitschie flower coniferopsida spermatophyte bole spermatophytina wood blue trunk gnetales petrified welwitchia green leaf