Triphragmium ulmariae | |
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Mature gall on a leaf of meadowsweet (Filipendula ulmaria) | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Fungi |
Division: | Basidiomycota |
Class: | Pucciniomycetes |
Order: | Pucciniales |
Family: | Sphaerophragmiaceae |
Genus: | Triphragmium |
Species: | T. ulmariae
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Binomial name | |
Triphragmium ulmariae (
DC.) Link
| |
Synonyms [1] | |
Puccinia ulmariae DC. (1808) |
Triphragmium ulmariae is a species of rust fungus in the family Sphaerophragmiaceae. It causes meadowsweet rust gall, [2] which develops as a chemically induced swelling, arising from the lower surface of the meadowsweet (Filipendula ulmaria) leaves. [3]
The fungus grows in the petioles and midribs of the perennial plant meadowsweet (Filipendula ulmaria), a member of the rose family, causing swelling and distortion. Sori develop with bright orange spores. [3] The rust's spores reach the new meadowsweet plants via air movements.
The rust has a severe effect on the survival of meadowsweet seedlings.