Species: Quercus pedunculiflora K. Koch

(Quercus pedunculiflora K. Koch)
-> Genus: Quercus -> Family: Fagaceae -> Group: Angiosperms

Habitus

  • tree growing up to 30 m
  • crown shape is similar to that of the Quercus robur (English oak)
  • bork is dark gray to black, firm, coarsely longitudinally fissured

Buds

  • they are arranged in a spiral and clustered at the end
  • buds are oval, 5 - 8 mm in size
  • bracts are brown and fibrous

Shoots

  • new shoots are bare, brown with large elliptical lenticels

Leaves (assimilation organs)

  • leaves are simple, dissected, pinnately lobed
  • the basic shape is broadly elliptical to inversely oval, with a heart-shaped base
  • lobes are broad, with entire margins, the middle lobes are almost horizontally protruding
  • grooves are narrow and deep
  • the upper side is dark green, matte
  • the underside is gray-green, slightly hairy
  • petiole is thick, 3 - 5 mm long

Flowers

  • they are morphologically similar to the Quercus robur (English oak)

Fruits – seeds

  • the fruit is an acorn (nut), elliptical, brown when mature, often longitudinally dark striped, 20 - 25 mm in size, shape similar to the Quercus robur (English oak)
  • the cup is thick-walled, and the scales are flat, fused at the sides (forming rings)
  • the stalk is 6 - 9 (up to 15 cm) long, usually longer than half the length of the blade, flexible

Extension

  • southern and central Slovakia
  • oak grove of Cibajky in Ponitrie

Ecology

  • claims similar to the Quercus robur (English oak)

Significance

  • importance similar to the Quercus robur (English oak)
  • landscape-forming element (Cibajky in Ponitrie, Slovakia)
  • park tree
  • vulnerable species (VU), it is necessary to protect old individuals and use them as a seed base
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