Ginkgo is a genus of highly unusual non-flowering plants with one extant species, G. biloba, which is regarded as a living fossil.
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This is where we start to give a little back... images will be added to the Ginkgo Photo Blog, warts and all - So if you want ...blog.ginkgostudios.com/The Ginkgo Pages Forum - Blog
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Raw, the Art of Living Blog is all about the art of healthy living with Raw Food, raw food recipes, ... Raw, the Art of Living Blog. Ginkgo. Introduction: ...www.rawtheartoflivingblog.com/triedtastedserved/ginkgo.htmlGinkgo is a genus of highly unusual non-flowering plants with one extant species, G. biloba, which is regarded as a living fossil.
Prehistory
Fossils recognisably related to modern Ginkgo date back to the Permian, some 270 million years ago. The genus diversified and spread throughout Laurasia during the middle Jurassic and Cretaceous, but became much rarer thereafter. By the Paleocene, Ginkgo adiantoides was the only Ginkgo species extant in the Northern Hemisphere with a markedly different (but not well-documented) form persisting in the Southern Hemisphere. At the end of the Pliocene, Ginkgo fossils disappeared from the fossil record everywhere apart from a small area of central China where the modern species survived. It is in fact doubtful whether the Northern Hemisphere fossil species of Ginkgo can be reliably distinguished; given the slow pace of evolution in the genus, there may have been only 2 in total; what is today called G. biloba (including G. adiantoides), and G. gardneri from the Paleocene of Scotland.

Ginkgo has been used for classifying plants with leaves that have more than four veins per segment, while Baiera for those with less than four veins per segment. Sphenobaiera has been used to classify plants with a broadly wedge-shaped leaf that lacks a distinct leaf stem. Trichopitys is distinguished by having multiple-forked leaves with cylindrical (not flattened) thread-like ultimate divisions; it is one of the earliest fossils ascribed to the Ginkgophyta.


























