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(gĭng`kō) or

maidenhair tree,

tall, slender, picturesque deciduous tree (Ginkgo biloba) with fan-shaped leaves. The ginkgo is native to E China, where it was revered by Buddhist monks and planted near temples. A "living fossil," the ginkgo is the only remaining species of a large order (Ginkgoales) of gymnosperms that existed in the Triassic period. Its form has not changed in millions of years, as is shown by fossils widely scattered over Europe, North and South America, and Asia. The ginkgo is valued today as a street tree, being exceptionally tolerant of smoke, low temperatures, and minimal water supply. The male and female strobile (see conecone
or strobilus
, in botany, reproductive organ of the gymnosperms (the conifers, cycads, and ginkgoes). Like the flower in the angiosperms (flowering plants), the cone is actually a highly modified branch; unlike the flower, it does not have sepals or petals.
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) are borne on separate trees. The "fruit," botanically a seed, is surrounded by a malodorous pulp, making the male trees more desirable as ornamentals; however, the seed kernel is highly esteemed in East Asia as a food. The herbal remedy ginkgo biloba, an extract of ginkgo leaves, is said to enhance concentration and short-term memory. The ginkgo is classified in the division PinophytaPinophyta
, division of the plant kingdom consisting of those organisms commonly called gymnosperms. The gymnosperms, a group that includes the pine, have stems, roots and leaves, and vascular, or conducting, tissue (xylem and phloem).
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, class Ginkgoopsida, order Ginkgoales, family Ginkgoaceae.



a deciduous gymnospermous tree of the order Ginkgo. The only modern representative is the Ginkgobiloba. Height, 30-40 m; trunk diameter, 1 m. The tree has a branchy crown and is dioecious. Its leaf has a petiole and is fan-shaped. The seeds are ellipsoid, 2-3 cm long, with fleshy outer shells. The ginkgo is found in a few regions of East Asia. In Europe ginkgos have been grown as decorative trees since 1754. In the USSR, they winter well on the Black Sea coasts of the Caucasus and Ukraine.


A dioecious tree, commonly known as the maidenhair tree (Ginkgo biloba), that is native to China and is cultivated as a shade tree, it is the only surviving species of the class Ginkgoatae and is considered a living fossil. Also known as gingko tree.
References in periodicals archive ?
Experiments on rats show that cat's claw in combination with ginko biloba, gotu kola, or rosemary suppresses the development of the sticky plaque in the brain that is responsible for Alzheimer's disease.
Lupus vulgaris ve deri neoplazilerinde ginko, streptokokkal deri enfeksiyonlannda bakir sulfat, iyilesmeyen yara ve ulserlerde iyot, ginko ve bakir iyontoforezi o yillarda dene-nen tedavilerden bazilandir (26).
Ginko established a biotech arm, Horein Biochemical Technology, in the Taichung Industrial Zone in 2006, mainly for the development of cosmetic materials, health foods, optical products, and medical devices.
He gives Ginko a great ride to win by a length and is ecstatic.
John Phillip Law plays the masked thief who steals and torments the Italian government, represented by policeman Ginko (Michel Piccoli).
Among them are several that are thought to have benefits that specifically relate to the concerns of older consumers including soy lecithin which fights dementia and cognitive decline; omega-3 and ginko biloba for improved memory; and ginseng, which helps fight memory loss and boosts energy.
John's Wort for mild depression Ginko Biloba for memory and Bilberry to improve night vision.
The tree species Ginko biloba and Acer platanoides 'Royal Red' were chosen for their quality and contrast in colour and the ability to withstand the maritime climate.
For the summer selection, an eclectic platter comprising corn, tuna, grapes, yam, ginko nuts, radish, and tomato provided a wonderful range of flavours where the sweetness of the fresh tomato is balanced with the slight sour tinge of the grapes and the saltiness of the ginko nuts muted with the taste of yam.
Jibun Ginko,'' operated by the mobile phone service provider and the core bank of Mitsubishi UFJ Financial Group Inc.
Enercia Energy Drink yogurts are in red-capped bottles and made with guarana, ginseng, ginko and green tea to provide energy and are available in Strawberry, Strawberry/Banana and Guava/Mango.
In 2006 company founder and CEO Philip Rosedale refused to intercede against Ginko, a virtual "bank" with a high rate of return that many residents accused of being a Ponzi scheme.