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Drewria
''Drewria potomacensis'' is a Cretaceous megafossil member of the Gnetales, from the Potomac Group, hence its name. It was possibly a shrub.〔Crane, Peter R., and Garland R. Upchurch Jr. "Drewria potomacensis gen. et sp. nov., an Early Cretaceous member of Gnetales from the Potomac Group of Virginia." American Journal of Botany (1987): 1722-1736.〕 It is the only known species in the genus ''Drewria''. ==Description==
Its stems were slender, with opposite and decussate leaves. The leaves were oblong and measured up to long. Its reproductive structures consisted of short, loose spikes arranged in dichasial groups of 3.〔
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