Meadowsweet Rust Fungus - Triphragmium ulmariae

Description

The Meadowsweet Rust Fungus Triphragmium ulmariae causes gall on the host plant, Filipendula ulmaria; these is no host plant alternation.  The aecia are orange and mainly on the underside leaf-veins and petioles.  Uredinia are similar, and later on blackish telia are present on leaf undersides.

Identification difficulty
Habitat

It may be found by careful observation anywhere that the plant Meadowsweet is present.

Life History

The rust's spores reach the Meadowsweet via air movements and are spread from the galls that develop on the petioles and / or midrib veins. The rust has a severe effect on the survival of Meadowsweet seedlings.

UK Status

Common and widespread in Britain.

VC55 Status

Fairly common in Leicestershire and Rutland.

Leicestershire & Rutland Map

MAP KEY:

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

UK Map

Species profile

Common names
Meadowsweet Rust
Species group:
Fungi
Kingdom:
Fungi
Order:
Pucciniales
Family:
Raveneliaceae
Records on NatureSpot:
42
First record:
28/05/2009 (Calow, Graham)
Last record:
04/05/2023 (Bell, Melinda)

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% of records within its species group

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