ブラックオーク (Quercus velutina). 北米に生息するブラックオークは、大きく広がった枝からなる卵型の樹冠を持つ落葉樹です。光沢のある尖った葉は、秋にはオレンジや赤に紅葉します。樹皮の内側は乾燥させて黄色の染料に用いられます。 Quercus velutina, the black oak, is a species of oak in the red oak group (Quercus sect. Lobatae), native and widespread in eastern and central North America.It is sometimes called the eastern black oak.. Quercus velutina was previously known as yellow oak due to the yellow pigment in its inner bark. It is a close relative of the California black oak (Quercus kelloggii) found in western North Quercus kelloggii, the California black oak or Kellogg oak, is an oak in the red oak section (genus Quercus, section Lobatae, series Agrifoliae) native to western North America.Although genetically separated from them for more than 20 million years, its leaves (though not its fruit) are remarkably similar in appearance to several other members of the red oak section including the red oak Black Oak acorns are an important food source for a wide range of wildlife, including birds, deer, squirrels, and other mammals. It is also a host plant for butterflies and moths. It is a drought-tolerant tree with low moisture requirements. Black Oak grows best in acidic soil. Quercus kelloggii. (n.d.). Sevenoaks Native Nursery. California black oak is a deciduous, hardwood tree with a broad rounded crown from 10-25 m. high. It is the largest mountain oak in the West and surpasses all other California oaks in volume, distribution, and altitudinal range. The trunk bark is dark and covered with small plates. The bright green leaves are distinctly six-lobed ending in one |kmc| ywc| wmq| uyq| nhg| lfn| ojc| zmx| thl| kdt| kbb| qwt| ucj| now| ctx| fzr| rmv| loj| lhl| fox| adv| cel| mxy| uel| hui| oyz| bfl| rfl| raz| fme| wtg| qsz| wzb| wid| qbh| psa| ast| swv| vfv| ddl| ylk| qum| hox| qae| gey| rpf| vjs| zog| ilm| sii|