Oak Quercus ilex
Spanish: Encina
Family. fagaceae
Tree typical Mediterranean climate with hot dry summers and rainy autumn and spring. Can reach 20 meters in height as the copies are in Sant Medir. The canopy is thick and dark and cracked bark. Evergreen tree with leathery leaves very variable. The margin sharp teeth and the youngest leaves and sometimes enter the old. The upper side of the leaf is dark green and white, hairy back, especially in older leaves. The fruit is the acorn with the scales of the dome is not sharp.
This tree is present throughout the Collserola because the oak forest is one of the most characteristic of the Mediterranean. The oak is a dense forest with abundance of shrubs and vines. The dense canopy of the oak underbrush creates the climatic conditions that make possible the presence of species diversity.
Flowering: The oak flourishes months through April to May Acorns mature in early fall.
Uses: The wood of the oak is hard and compact and used for farm and carpentry tools. The branches, since time immemorial, used for firewood and charcoal of excellent quality.