Species: Corylus avellana L.

(Corylus avellana L.)
-> Genus: Corylus -> Family: Corylaceae -> Group: Angiosperms

Habitus

  • it is a multi-stemmed shrub up to 5 - 8 m
  • the crown is broadly ovate to spherical, branches ± straight
  • the bark is brown, later dark grey, longitudinally cracked bork

Buds

  • they are alternately built, ovate to spherical, 5 - 6 x 3 - 4 mm large
  • they have yellow-green wrapping scales with a brown border

Shoots

  • they are straight, round, greenish-brown, coarsely glandular hairy, later glabrous
  • with significant whitish lenticels

Leaves (assimilation organs)

  • leaves are simple, inverted ovate to round, 6 - 12 x 4 - 8 cm large
  • they are distinctly short-pointed at the end, heart-shaped at the base
  • the edge is coarsely double-sawed
  • the upper side is darker green, the underside is lighter
  • the stalk is 1 – 2 cm, hairy

Flowers

  • it is a monoecious woody plant with flowers of different sexes
  • ♂ - catkins are established in autumn, they are 2 - 3 cm large, cylindrical, hanging , 5 - 7 cm long in spring after flowering
  • ♀ - flowers have the shape of a vegetation bud - crimson red stigmas protrude at the top

Fruits – seeds

  • the fruit is a nut, 1 - 2 cm in size, with a green, later brown bract-like shell at the base
  • it ripens in autumn

Extension

  • originally in almost all of Europe
  • in Slovakia from the lowest altitudes to about 1 000 (max. 1 400) m above the sea level.
  • it mostly forms the undergrowth of deciduous forests

Ecology

  • it is a sunny woody plant, it can also tolerate shading, it grows mainly on the edges of forests, clearings and borders
  • it is undemanding to the soil, resistant to temperature fluctuations

Significance

  • it is a fruit-bearing tree species (food for forest animals and birds)
  • it is relatively aggressive on loose areas (after mining, calamity)
  • wood is suitable for the production of handles (light, strong, flexible)
  • as an ornamental tree in horticulture, where its various forms are used (red-leafed, pruned, twisted, mourning, ...)

From history

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