- Gnetales, order Gnetales - chiefly tropical or xerophytic woody plants; practically unknown as fossils but considered close to the ancestral line of angiosperms
--1 is a kind of plant order
--1 is a member of
--1 has members:Gnetopsida, class Gnetopsida, Gnetophytina, subdivision Gnetophytina, Gnetophyta Gnetaceae, family Gnetaceae; Ephedraceae, family Ephedraceae; Welwitschiaceae, family Welwitschiaceae