| 单词 | gymnosperm family |
| 释义 | gymnosperm family (extremely rare) n WORD FAMILY gymnosperm family n a family of gymnosperms Hypo|Hyper 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 Ephedraceae, family Ephedraceaeephedras: in some classifications included in the Gnetaceae Welwitschiaceae, family Welwitschiaceaein some classifications included in the Gnetaceae Cycadaceae, cycad family, family Cycadaceaeancient palmlike plants closely related to ferns in that fertilization is by means of spermatozoids Zamiaceae, family Zamiaceae, zamia familya family of cycads often included in the family Cycadaceae: zamias Bennettitaceae, family Bennettitaceaea family of fossil gymnospermous plants of the Carboniferous Cordaitaceae, family Cordaitaceaechiefly Paleozoic plants; Cordaites is the chief and typical genus Pinaceae, family Pinaceae, pine familya family of Pinaceae Cupressaceae, cypress family, family Cupressaceaecypresses and junipers and many cedars Taxodiaceae, redwood family, subfamily Taxodiaceaeconiferous trees; traditionally considered an independent family though recently included in Cupressaceae in some classification systems Araucariaceae, araucaria family, family Araucariaceaetall evergreen cone-bearing trees of South America and Australia with broad leathery leaves; in some classifications included in the Pinaceae Cephalotaxaceae, family Cephalotaxaceae, plum-yew familya family of Cephalotaxaceae Phyllocladaceae, family Phyllocladaceaea family of Phyllocladaceae Podocarpaceae, family Podocarpaceae, podocarpus familygymnosperms with simple persistent needlelike or scalelike leaves Sciadopityaceae, family Sciadopityaceaefamily comprising a single genus that until recently was considered part of Taxodiaceae Taxaceae, family Taxaceae, yew familysometimes classified as member of order Taxales Ginkgoaceae, family Ginkgoaceae, ginkgo familyconstituting the order Ginkgoales; includes the genus Ginkgo and extinct forms plant family a family of plants |
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