The Ginkgo (Ginkgo biloba), frequently misspelled as "Gingko", and sometimes known as the Maidenhair Tree, is a unique tree with no close living relatives. It is classified in its own division, the Ginkgophyta, comprising the single class Ginkgoopsida, order Ginkgoales, family Ginkgoaceae, genus Ginkgo and just the one species. It is one of the best known examples of a living fossil. In the past it has also been placed in the divisions Spermatophyta or Pinophyta. Ginkgo is a gymnosperm (as opposed to an angiosperm), meaning "naked seed"; its seeds are not protected by an ovary wall and hence, the berry-like structures produced by female ginkgo trees are technically not fruit.

For centuries it was thought to be extinct in the wild, but is now known to grow wild in at least two small areas in Zhejiang province in eastern China, in the Tian Mu Shan Reserve. However, as this area has known human activity for over a thousand years, the wild status of ginkgos there is as yet uncertain.

Characteristics

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Habit

Ginkgos are medium-large deciduous trees, reaching 20–35 m tall (some specimens in China being over 50 m), with an often angular crown and long, somewhat erratic branches. They are usually deep rooted and resistant to wind and snow damage. Young trees are often tall and slender, and sparsely branched; the crown becomes broader as the tree ages. During autumn, the leaves turn a bright yellow, then fall, sometimes within a short space of time (1–15 days). A combination of amazing disease resistance, insect-resistant wood and the ability to form aerial roots and sprouts means that ginkgos are very long-lived, with some specimens claimed to be more than 2,500 years old; a 3,000 year-old gingko is reported in Shandong province in China (Lewington and Parker, 183).

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DiscountCash (HR Dadgar) Thu, 05 Nov 2009 09:40:04 -0000
$117,325,493 Ginkgo Ct,San Jose,CA 95111 MLS No. 80933067 Commission Discount $1179 http://woodgrovegm.com/l/?m=80933067
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enmanga (龍一) Thu, 05 Nov 2009 06:10:34 -0000
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ohxcait (caitlin) Thu, 05 Nov 2009 02:09:07 -0000
Ginkgo Tree for dinner, nuff said.
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nutritionsupple (NutritionSupplements) Thu, 05 Nov 2009 00:20:50 -0000
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Fall in Nagoya: / ducks in the canal, road crews, / full-on ginkgo stink
sacarter (Stephen Carter) Wed, 04 Nov 2009 23:03:24 -0000
Fall in Nagoya: / ducks in the canal, road crews, / full-on ginkgo stink

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