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Ginkgo biloba, commonly known as ginkgo or gingko (/ ˈ ɡ ɪ ŋ k oʊ, ˈ ɡ ɪ ŋ k ɡ oʊ / GINK-oh, -goh), [5] [6] also known as the maidenhair tree, [7] is a species of gymnosperm tree native to East Asia.
Ginkgo is a genus of non-flowering seed plants, assigned to the gymnosperms. The scientific name is also used as the English common name. The scientific name is also used as the English common name. The order to which the genus belongs, Ginkgoales , first appeared in the Permian , [ 3 ] 270 million years ago , and Ginkgo is now the only living ...
The Ginkgoaceae is a family of gymnosperms which appeared during the Mesozoic Era, of which the only extant representative is Ginkgo biloba, which is for this reason sometimes regarded as a living fossil. Formerly, however, there were several other genera, and forests of ginkgo existed.
Ginkgo trees produce ovulate and pollen-bearing structures. These structures are dioecious, in that male and female structures come from different Ginkgo plants. [5] The pollen organs are very similar to angiospermous catkins. They come from the axils of the bud scales, and the leaves from the Ginkgo tree spur shoots. Pollen is contained in ...
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] The pine family is the main source of softwood timber, paper pulp and turpentine. [8]
Ginkgo yimaensis differs from the extant G. biloba only slightly. The leaves were deeply divided, resembling closer the sucker shoots and seedling leaving of G. biloba.The seeds were also borne on individual stocks, unlike G. biloba which forms seeds sessile. [2]
Ginkgoidae is a subclass of Equisetopsida in the sense used by Mark W. Chase and James L. Reveal in their 2009 article "A phylogenetic classification of the land plants to accompany APG III."
Ginkgoaceae: maidenhair family; Ginkgo: ginkgos or maidenhair trees; Ginkgo biloba: ... English oak Fagaceae (beech family) Quercus rubra: northern red oak; red oak