Red Oak

OTHER COMMON NAMES Roble Americano, roble rojo.
FAMILY Fagaceae
ORDER Fagales
SUBCLASS Hamamelidae
CLASS Magnoliopsida
DIVISION Magnoliophyta

Native to South-east of the United States.
It is a semi deciduos tree of a height of 30-40m. Its young shoots are red-stained, that’s why it is called Red Oak. Its bark is smooth in young trees but it gets cracked when reach middle-age. Its leaves have a length of 20 cm. They have well-marked lobes and a dense pubescence in their back.
The Red Oak lives in poor and acid soils.
Its male flowers appear in hanging catkins. Generally, each flower has between 4 and 10 stamina; usually 6 of long filaments. Its female flowers are organised in ears, 3 stigmas, cup with 1 fruit only.
Its fruit is a nut, which produces in autumn and fall in winter. Then, when spring arrives, if it is in penetrating soils, an appendix will appear to form a root. Finally, it opens to let the stem grows. Some seeds of this specie can develop exogenous (physical, chemical and mechanical) or endogenous (morphological and physiological) latency in different degrees. These will difficult germination.