Pocket Plum - Taphrina pruni

    Description

    Taphrina pruni is a fungal plant pathogen that gives rise to the Pocket or Bladder Plum gall, which is a chemically induced distortion that causes fruit to swell on one side, or become otherwise deformed and flattened forming a rather bean like pod. Affected fruits have no stone.

    Identification difficulty
    Habitat

    On Blackthorn and domestic Plum.

    When to see it

    May to July.

    UK Status

    Widespread and frequent in Britain.

    VC55 Status

    Frequent in Leicestershire and Rutland, though its abundance may vary from year to year.

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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