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|Noun||1.||family Ephedraceae - ephedras: in some classifications included in the Gnetaceae|
gymnosperm family - a family of gymnosperms
Gnetales, order Gnetales - chiefly tropical or xerophytic woody plants; practically unknown as fossils but considered close to the ancestral line of angiosperms
genus Ephedra - type and sole genus of Ephedraceae: tropical and subtropical evergreen shrubby or creeping plants native to dry and inhospitable regions