Quercus macrocarpa - Search
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  1. Description

    Quercus macrocarpa is a large deciduous tree growing up to 30 metres (98 feet), rarely 50 m (160 ft), in height, and is one of the most massive oaks with a trunk diameter of up to 3 m (10 ft). It is one of the slowest-gro… See more

    Varieties

    Two varieties are accepted in Kew's Plants of the World Online:
    • Quercus macrocarpa var. macrocarpa
    • Quercus macrocarpa var. depressa (Nutt.) Engelm.… See more

    Distribution and habitat

    Quercus macrocarpa is widespread in the Atlantic coastal plain from New Brunswick to North Carolina, west as far as Alberta, eastern Montana, Wyoming, and northeastern New Mexico. The vast majority of the popul… See more

    Ecology

    The acorns are the largest of any North American oak and are an important wildlife food; American black bears sometimes tear off branches to get them. However, heavy nut crops are borne only every few years. In this evol… See more

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