Box Rust - Puccinia buxi


    This dark brown rust (Only telia formed) seems to be confined to older Box plants, not affecting younger ones. The rust galls the underside of leaves, and a corresponding bulge may occur on the upper surface. 

    Identification difficulty
    Recording advice

    Unless identified by a recognised expert, a photo is required. If the photo doesn't show the key ID features then in the comments box describe the size and identifying characters you have observed.


    Where mature Box (Buxaceae) plants occur.

    When to see it

    Most months of the year.

    Life History

    It is monophagous on Box (Buxaceae), there is no hostplant alternation.

    UK Status

    Widespread and fairly frequent in Britain.

    VC55 Status

    Status in Leicestershire and Rutland not known.

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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