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There were seven families of conifers c. 2011, [3] with 65–70 genera and over 600 living species ... In many species with spirally arranged leaves, ...
Giant sequoia. Silvics of North America (1991), [1] a forest inventory compiled and published by the United States Forest Service, includes many conifers. [a] It superseded Silvics of Forest Trees of the United States (1965), which was the first extensive American tree inventory. [3]
The great majority of conifer genera and species are evergreen, retaining their leaves for several (2–40) years before falling, but unusual deciduous conifers occur in five genera (Larix, Pseudolarix, Glyptostrobus, Metasequoia and Taxodium), shedding their leaves in autumn and leafless through the winter.
They are the largest extant conifer family in species diversity, with between 220 and 250 species ... Boreal conifers have many adaptions for winter. The narrow ...
The conifers, division Pinophyta, are one of 13 or 14 division level taxa within the Kingdom Plantae. They are cone -bearing seed plants with vascular tissue; all extant conifers are woody plants , the great majority being trees with just a few being shrubs .
The list currently includes 1352 species. Conservation status [8] Least-concern species ... Critically endangered: Gymnosperms. Conifers. Araucariaceae: monkey-puzzle ...
Gnetophyta (/ n ɛ ˈ t ɒ f ɪ t ə, ˈ n ɛ t oʊ f aɪ t ə /) is a division of plants (alternatively considered the subclass Gnetidae or order Gnetales), grouped within the gymnosperms (which also includes conifers, cycads, and ginkgos), that consists of some 70 species across the three relict genera: Gnetum (family Gnetaceae), Welwitschia (family Welwitschiaceae), and Ephedra (family ...
There are many different kinds of evergreen plants, including trees, shrubs, and vines. [citation needed] Evergreens include: Most species of conifers (e.g., pine, hemlock, spruce, and fir), but not all (e.g., larch). [2] Live oak, holly, and "ancient" gymnosperms such as cycads; Many woody plants from frost-free climates; Rainforest trees; All ...