DefinitionThis section has been translated automatically.
A deciduous tree belonging to the oak family, up to 40 m high, with dark brown to dark gray bark on the outside and yellow on the inside, leaves up to 25 cm long, yellow flowers and 1-2 cm large fruits (acorns). Flowering time: May.
A secondary plant substance from the bark, quercetin, was used to dye leather, wool, silk or cotton.
Occurrence: North America.
