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SlideshowReport

Gnetophytes.

Description
(a) A tropical plant of the genus Gnetum, displaying broad leaves and reproductive structures. (b) Ephedra californica growing in deserts of North America, showing minuscule brown leaves on green, photosynthetic stems and reproductive structures. (c) Welwitschia mirabilis growing in the Namib Desert of southwestern Africa, showing long, wind-shredded leaves and reproductive structures.
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