[wel'witʃiә]
n.
[植]千岁兰

[ noun ]
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
<noun.plant>

Welwitschia \Wel*witsch"i*a\, n. [NL. So named after the
discoverer, Dr. Friedrich Welwitsch.] (Bot.)
An African plant ({Welwitschia mirabilis}) belonging to the
order {Gnetace[ae]}. It consists of a short, woody, topshaped
stem, and never more than two leaves, which are the
cotyledons enormously developed, and at length split into
diverging segments.