Quercus robur, the common oak, [1] pedunculate oak and ash-oak is a sturdy tree of stately, which can exceed 40 feet.
Cup Features wide, ovate, rounded or irregular deciduous. Trunk straight, short and thick in individual specimens, with thick branches and somewhat tortuous or whitish-gray bark, very cracked and brownish shade on old trees. Leaves large, simple, in alternating arrangement with elongated stipules soon falling, they are hairless on both sides, bright green on upper and paler, with nerves well marked, on the lower face, his form is ovate, with petiole very short (2 to 7 mm), with the edge more or less deeply lobed with rounded lobes unequal, usually measure about 6 to 12 cm long by about 3 to 6 meters wide.
Male flowers in hanging catkins, green-yellow, borne solitary or in groups of twigs of the previous year. Acorns hanging on a long peduncle, ovate-oblong, hooded or nearly flat scales husks, slated. Flowers
While produces new leaves in April or May, the acorns mature in September and fall in October. Habitat
From sea level to about 1000 m altitude, in deep soils y frescos, principalmente en los desprovistos de cal y algo húmedos. Requiere un clima húmedo, oceánico, donde se acuse poco la sequía estival y es algo resistente al frío. Se asocia o pone en contacto con hayedos o con robledales de Quercus petraea y Quercus pyrenaica, con los que forma híbridos con facilidad.
Fuente: wikipedia
0 comments:
Post a Comment