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The gymnosperms (/ ˈ dʒ ɪ m n ə ˌ s p ɜːr m z,-n oʊ-/ ⓘ nə-spurmz, -noh-; lit. ' revealed seeds ') are a group of woody, perennial seed-producing plants, typically lacking the protective outer covering which surrounds the seeds in flowering plants, that include conifers, cycads, Ginkgo, and gnetophytes, forming the clade Gymnospermae [2] The term gymnosperm comes from the ...
Gymnosperms are divided into 12 families of trees, shrubs and woody vines. [5] Sequoiadendron giganteum, the giant redwood, is the largest tree in the world, and Sequoia sempervirens, the coastal redwood, is the tallest. [6] Ginkgo trees tolerate urban pollutants well, and are often planted in and near cities. [7]
This fixed the position of Gymnosperms as a class distinct from Dicotyledons, and the term Angiosperm then, gradually, came to be accepted as the suitable designation for the whole of the flowering plants (other than Gymnosperms), including the classes of Dicotyledons and Monocotyledons. [4] This is the sense in which the term is used, today. [5]
Acrogymnospermae; Scientific name Common name Family Conservation status Conifers; Araucariaceae: monkey-puzzle family; Agathis: kauri ; Agathis australis: kauri; New Zealand kauri
Gymnospermium albertii - Uzbekistan; Gymnospermium altaicum - Altai, Xinjiang; Gymnospermium darwasicum - Tajikistan, Uzbekistan; Gymnospermium kiangnanense - Anhui, Zhejiang ...
The Gymnosperm clade — in plant taxonomy; Subcategories. This category has the following 8 subcategories, out of 8 total. Gymnosperm genera (3 C, 3 P) ...
photo of herbarium specimen at Missouri Botanical Garden, collected near Matamoros in 1830, type specimen of Gymnosperma corymbosum Note that label does not specify which side of the Río Grande; Texas was still part of Mexico in 1830
Living orders of Gymnosperms are added from Christenhusz et al. 2011a [4] while extinct orders are from Anderson, Anderson & Cleal 2007. [5] Division Prasinodermophyta