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An acorn and a Valley Oak, California.
Freshly harvested bark of cork tree exposed by a cork harverster's axe, cork harvest, close-up view
Small Acorns of Holm Oak (Quercus Ilex)
Cork oak trees (Quercus suber) in Sardinia
Close-up of a cork oak acorn with a few leaves on the tree
Quercus ilex subs ballota still immature green acorns with green oak leaves with bluish tones on defocused green background flash lighting
Portugal, Alentejo region. Recently harvested cork oak bark drying in the sunshine. under a cork Oak tree. (unprocessed cork) Natural, sustainable resource.
Branch of acorn tree in the blue sky.
The acorn, or oak nut, is the nut of the oaks and their close relatives (genera Quercus and Lithocarpus, in the family Fagaceae). It usually contains a single seed (rarely two seeds), enclosed in a tough, leathery shell, and borne in a cup-shaped cupule.
Close-up of a cork oak branch with a fresh green acorn and textured leaves in natural sunlight.
Green Acorn with Leaves on White.
Piece of cork tree bark with corks on it. Cork oak orchard in the background.
Kermes oak, Quercus coccifera, with acorns and leaves. This is the only oak species that grows as a bush
Acorn growing on oak tree branch with rough bark texture, green leaves, natural forest detail, closeup botanical element, autumn season concept, organic seed wildlife vegetation, macro nature scenesHD
Old cork oak in the forest. Sierra de Francia. Batueca Valley. La Alberca. Salamanca.
Acorns are the characteristic fruit of the holm oak, an emblematic tree of the Iberian Peninsula. These fruits play a crucial role in the diet of Iberian pigs, especially during the montanera, when they feed almost exclusively on them to develop the unique flavour of Iberian acorn-fed ham. Acorns ripen and fall from the tree in autumn, also being a food resource for other animals such as squirrels. In addition, acorns have been used by humans in food and in the production of flour and oils, standing out for their high nutritional value.
Oak tree acorn in Termessos National Park
An engaging view of Iberian pigs being fed acorns at a farm in Sierra de Aracena. The pigs roam freely among oak trees, enjoying their natural diet. Sierra de Aracena, Spain.
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Holm oak on green cereal field, Quercus ilex
Piece of cork tree bark with corks on it. Cork oak orchard in the background.
different wild plants, red yellow and white.  Rosemary, jasmine, roses, all growing in nature outdoors, in the mountains
Horizontal closeup photo of a group of three ripe brown acorns hanging by the stem on an Oak tree with green leaves in late Summer. New England high country NSW.
Source of Life: Green Acorn, Origin of the Iberian Pig in the Extremaduran Dehesa.
Oak Tree
Tree with a blue sky
Quercus robur - English oak - Close-up of a pedunculate oak acorn
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