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