Ginkgo213 - Ginkgophyta - 1 Ginkgophyta ( Ginkgo or...

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Unformatted text preview: Ginkgophyta - 1 Ginkgophyta ( Ginkgo or Maidenhair tree) There is one living species within the Ginkgophyta, Ginkgo biloba. While fossil Ginkgoes are quite common, including in Washington, only Ginkgo biloba , a relict species, survives today substantially because it was preserved in Asian temple gardens for centuries as a revered plant. Some areas in China and Japan have Ginkgo groves with specimens over one thousand years old. The Ginkgo is a deciduous tree that grows to about 100' in height. There are two types of branches on Ginkgos: indeterminate branches, or long shoots, and determinant branches, or spur shoots. The spur shoots contain clusters of leaves each year. The short spur shoots are more common than the long shoots, so growth is slow and limited. The leaves of Ginkgo are fan-shaped, often with notch in center and pale green in color. Most are about 2" wide. They turn a vibrant gold in the autumn, and abscise around Halloween. The veins branch dichotomously, a unique leaf venation pattern.The veins branch dichotomously, a unique leaf venation pattern....
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Ginkgo213 - Ginkgophyta - 1 Ginkgophyta ( Ginkgo or...

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