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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 ...
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 ...
Ginkgo is a genus of plants. Ginkgo may also refer to: Ginkgo, an album by the rock band Panchiko; Ginkgo Bioworks, a U.S. biotech company; Ginkgo CADx, open source image processing software; Ginkgo Creek, a stream in the U.S. state of Oregon; Ginkgo Prize, a poetry prize awarded by Poetry School; Ginkgo Tarn, a lake on Nelson Island, Antarctica
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."
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.
Ginkgolide B, specifically, is a diterpenoid trilactone with six five-membered rings. It contains a spiro[4,4]-nonane carbocyclic ring, a tetrahydrofuran ring, and a very specific tert-butyl group at one of the rings (Figure 1).
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 ...