Species: Ginkgo biloba L.

(Ginkgo biloba L.)
-> Genus: Ginkgo -> Family: Ginkgoaceae -> Group: Gymnosperms

Habitus

  • tree 30 – 40 m tall, deciduous
  • crown conical – variable
  • branches are thick, growing in spiral form
  • bark smooth , the bark is brownish-gray to dark gray, split into irregular plates.

Shoots

  • produces two types of shoots:
    1. macroblasts – long shoots, leaves grow on them individually in a spiral
    2. brachyblasts – shortened shoots, formed on two-year-old and older branches, they bear bundles of leaves and flowers

Leaves (assimilation organs)

  • 3 - 6 x 4 - 10 cm large, fan-shaped, two-lobed, deciduous. whorls
  • on brachyblasts in bunches of 3 - 5 flowers

Flowers

  • dioecious woody plant, blooms V
  • flowers grow only on brachyblasts:
    • ♂ - yellow, lamb-shaped cones
    • ♀ - grow from leaf axils on a 3 - 4 cm long stalk, the end is expanded with two naked eggs under the scales (usually only one of them develops)

Fruits – seeds

  • fruit is a seed drupe, spherical, Ø 2 - 3 cm, green, yellow on the surface when ripe
  • seeds are fleshy, smelly!
  • inside is a stone 1.5 x 1 cm large, oval, compressed, double-edged, ripens in autumn after falling (on the ground)

Extension

  • the only living representative of its family - a prehistoric relic
  • its current natural distribution can only be determined with difficulty
  • natural occurrence - only a few locations in South-Eastern China
  • It was brought to Europe in 1727

Ecology

  • light-loving woody plant, undemanding to soil
  • tolerates frost well, but needs protection from frost when young

Significance

  • aesthetic - parks, gardens
  • pharmaceutical industry
  • botanical rarity with great aesthetic value
  • ancient cultural and cult plant of the Far East cultivated in the vicinity of human settlements and monasteries, it creates various decorative, tall and colorful forms (columnar, mourning, cut-leaved, golden yellow, ...)
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