




Quercus petraea
The Sessile Oak is a strong tree with broad leaves. It can grow very tall and provides homes for many animals.
Habitat: Forests and woodlands
The Sessile Oak has dark green, deeply lobed leaves that appear to attach directly to the twig without a stalk. Its bark is greyish-brown, becoming deeply fissured and rough with age, supporting a broad, majestic crown.





Category
TreesRarity
Common
Danger
1/5 · Very low
Snaps
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Ancient Sessile Oaks can support hundreds of different insect species!
Did you know Sessile Oak leaves flutter on the tree much longer in autumn?
Its strong wood was once used to build mighty Viking ships!
The Sessile Oak's acorns sprout without a stalk, a unique feature among oaks!
Sessile Oak has extensive root systems that help it withstand strong winds and access deep groundwater, keeping it stable and hydrated.
Sessile Oak produces energy-rich acorns that help it reproduce, providing vital nutrition for new saplings to grow.
Sessile Oak has tannins in its bark and leaves that help it defend against pests and diseases, making it tough and resilient.

Sciurus vulgaris
Feeds on acorns, often burying them for later.
Andricus kollari
Larvae develop inside galls formed on oak branches.

Cervus elaphus
Browses on young leaves, twigs, and bark.
Deciduous plants periodically shed all their leaves, typically during autumn or dry seasons.
Broadleaf trees are angiosperms characterized by flat, wide leaves that are typically shed annually in temperate climates.
Fall color refers to the seasonal change in foliage pigmentation, primarily in deciduous plants, displaying vibrant hues.
Forest habitats are terrestrial environments dominated by dense tree cover, supporting a high diversity of plant and animal life.
This trait characterizes organisms with an exceptionally long lifespan compared to others of their kind.
Danger
1/5 · Very low
Do not pick or eat anything you find. Some plants and mushrooms can be harmful.
20-40 m
15-30 m
Yes
100-300 cm
500-1000 years
Forests and woodlands
Acorn
Medium
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