(Quercus pedunculiflora K. Koch)
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
