Pendunculate Oak - Quercus robur

    Alternative names
    English Oak

    Large spreading tree to 45 metres. Leaves oval with rounded lobes, rounded at base with a very short stalk (looking almost stalkless). Bark smooth and silvery brown, becomes rugged and deeply fissured with age. Acorns long stalked. Male and female flowers occur on the same tree. Male flowers are pendulous long slender catkins, yellowish green each flower with 8 to 20 stamens. The female flowers are very small pinkish, and found in the axils of the leaves.1 to 4 surrounded by a close cluster of scales, they develop into the acorns.

    Similar Species

    Sessile Oak (Quercus petraea) and the hybrid with it (Quercus x rosacea) as well as Turkey Oak (Quercus cerris) are all broadly similar. Pedunculate Oak can be distinguished by having leaves without stalks and acorns on long stalks.

    Identification difficulty

    Woods, hedgerows and roadsides.

    When to see it

    Flowers: April and May.

    Life History


    UK Status

    Common throughout Britain, especially in lower areas.

    VC55 Status

    Very common in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 573 of the 617 tetrads.

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    Leicestershire & Rutland Map

    MAP KEY:

    Yellow squares = NBN records (all known data)
    Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

    UK Map