Ginkgo

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Ginkgo
By Matthew Shafer

• Ginkgo biloba

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Scientific Classification

• Kingdom- Plantae
• Division- Ginkgophyta
• Class- Ginkgoopsida
• Order- Ginkgoales
• Family- Ginkgoaceae
• Genus- Ginkgo Linnaeus
• Species- Ginkgo biloba

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Description of Tree

• 1) Ginkgo usually matures to about 80' tall
  by 60 wide.
• 2) Trunk may get up to 3' in diameter with age.
• 3) Alternate Branching
• 4) Ginkgo can live up to 100,000 years. Ginkgo
  Biloba is one of the oldest living tree species,
  dating back over 300 million years.

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Description of Leaves

• 1) Ginkgo is deciduous
• 2) Alternate arrangement
• 3) Simple blade
• 4) Simple from
• 5) 2 lobed apex
• 6) Acute base
• 7) Fan-shaped
• 9) Leaves fall color is usually a green-yellow.
• However, can be a golden-yellow when growing
  under excellent conditions.

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Root System

• Roots bear deep into ground to provide stable
  base and support for tree.
• Roots branch over wide area.

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Reproduction

• 1) Ginkgo is dioecious, meaning male and female
  flowers are borne on separate trees.
• -Hanging catkins on male trees pollinate the
  hanging pistillate flowers on 2" peduncles on
  female trees in March and April.
• -Ginkgo may not flower or fruit until it is
  about twenty years old.
• 2) Wind is the main transporter of pollen for the
  ginkgo tree.
• 3) Fruits on female trees are an abundant
  tan-orange oval fruit which hang from the spur
  shoots.
• -Fruits have very foul smell.
• -Since male trees produce no fruit, they are
  most commonly planted.

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Reproduction
Ginkgo Fruit
Ginkgo Flower
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Distribution in the World

• 1) Ginkgo in native to China.
• - Ginkgoes are distributed all over the world
  due to its adaptation to many types of climate.

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Ginkgo Environment

• Much sunlight is required for Ginkgo growth.
• Ginkgo prefers moist, deep, sandy soils
• Also is adaptable to stressful situations,
  including poor soils, compacted soils, heat, and
  drought,

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Ginkgo Ecological Importance

• Ginkgoes are mainly used as only ornamental
  trees.
• Small insects feed off of the gingko tree.
• Animals also eat fallen seeds from ginkgo.

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Ginkgo Economic Importance

• Gingko seeds are eaten throughout the Asia.
• Ginkgo extracts have played a crucial role in
  Chinese herbal medicine for many centuries.
• Ginkgo can be used in medicine to help illnesses
  such as bladder ailments, monorrhea, uterine
  fluxes, and cardiovascular ailments. If can also
  be used to help prevent memory loss.

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References

• -http//www.hcs.ohio-state.edu/hcs/TMI/Plantlist/g
  i_iloba.html
• -http//www.ucmp.berkeley.edu/seedplants/ginkgoale
  s/ginkgo.html
• -http//www.xs4all.nl/kwanten/name.htm
• -http//www.symmcorp.com/info/ginkgo.htm