- Types:
- show 17 types...
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Gnetaceae, family Gnetaceae
plants having small unisexual flowers and fleshy or winged fruit: in some classifications includes the genera Ephedra and Welwitschia as well as genus Gnetum
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Ephedraceae, family Ephedraceae
ephedras: in some classifications included in the Gnetaceae
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Welwitschiaceae, family Welwitschiaceae
in some classifications included in the Gnetaceae
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Cycadaceae, cycad family, family Cycadaceae
ancient palmlike plants closely related to ferns in that fertilization is by means of spermatozoids
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Zamiaceae, family Zamiaceae, zamia family
a family of cycads often included in the family Cycadaceae: zamias
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Bennettitaceae, family Bennettitaceae
a family of fossil gymnospermous plants of the Carboniferous
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Cordaitaceae, family Cordaitaceae
chiefly Paleozoic plants; Cordaites is the chief and typical genus
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Pinaceae, family Pinaceae, pine family
a family of Pinaceae
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Cupressaceae, cypress family, family Cupressaceae
cypresses and junipers and many cedars
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Taxodiaceae, redwood family, subfamily Taxodiaceae
coniferous trees; traditionally considered an independent family though recently included in Cupressaceae in some classification systems
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Araucariaceae, araucaria family, family Araucariaceae
tall evergreen cone-bearing trees of South America and Australia with broad leathery leaves; in some classifications included in the Pinaceae
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Cephalotaxaceae, family Cephalotaxaceae, plum-yew family
a family of Cephalotaxaceae
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Phyllocladaceae, family Phyllocladaceae
a family of Phyllocladaceae
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Podocarpaceae, family Podocarpaceae, podocarpus family
gymnosperms with simple persistent needlelike or scalelike leaves
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Sciadopityaceae, family Sciadopityaceae
family comprising a single genus that until recently was considered part of Taxodiaceae
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Taxaceae, family Taxaceae, yew family
sometimes classified as member of order Taxales
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Ginkgoaceae, family Ginkgoaceae, ginkgo family
constituting the order Ginkgoales; includes the genus Ginkgo and extinct forms
