ginkgo

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Related to gingko: ginseng, Ginkgo biloba

ginkgo

(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.

Ginkgo

 

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.

ginkgo

[′giŋ·kō]
(botany)
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 ?
Una de esas manos gesticulo hacia la ciudad mas alla del Museo donde los gingko, insistio, por medio de un interprete, probarian mejor de lo que el lo pudiera hacer, la perduracion de la esperanza, la necesidad de buscar la paz y la reconciliacion.
Spokesmen for Barclays and UPP, as well as a Gingko Tree investment manager, would not comment on the information, when reached by the agency.
Evidence that Gingko biloba extract does not inhibit MAO A and B in living human brain.
Most commercial gingko products sold as dietary supplements in the United States appear to be standardized to above parameters (i.
Hayley Keightley's sprinter gets the call, but Gingko and Express Comet will not be easily beaten.
A shop-worker told our undercover reporter health shops are not allowed to sell Gingko in tablet form.
The gingko trees are no more--cut by the developer to whom the property was sold when the national office moved to its new quarters on 80 Hayden St.
Gingko is also known for its antioxidant value; small doses of ginkgo extract can be found in many vitamin and mineral supplements.
I started to take gingko because I'm the youngest child of a family where several members have developed dementia in their early seventies.
The purpose of the original paper by Solomon et al was to evaluate gingko in healthy elderly volunteers using standardized tests.
This may not be important if the tree is planted in an area away from walkways and drives, but ripe gingko fruit is not only messy, it stinks.
Studies have found that ingesting gingko extract yields modest improvement, at best, in remembering and manipulating new information, say psychologist Paul E.