Meadowsweet rust gall

Meadowsweet rust gall
Mature gall on a meadowsweet leaf
Scientific classification
Kingdom: Fungi
Division: Basidiomycota
Class: Pucciniomycetes
Order: Pucciniales
Family: Sphaerophragmiaceae
Genus: Triphragmium
Species: T. ulmariae
Binomial name
Triphragmium ulmariae
(DC.) Link (1825)[1]
Synonyms[2]

Puccinia ulmariae DC. (1808)

Triphragmium ulmariae is a species of fungus in the Sphaerophragmiaceae family. It causes meadowsweet rust gall, which develops as a chemically induced swelling, arising from the lower surface of the meadowsweet leaves.

Cause

This common gall is caused by the foliar 'rust' fungus Triphragmium ulmariae (DC.) Link, 1825 .[3]

Appearance

The fungus attacks the petioles and / or midribs of the perennial meadowsweet (Filipendula ulmaria) plant, a member of the family Rosaceae, causing swelling and distortion. Sori develop with bright orange spores.[3]

Life cycle

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.

Infestation

The rust has a severe effect on the survival of meadowsweet seedlings.

See also

References

  1. ↑ Biolimages Archived 2008-08-21 at the Wayback Machine.
  2. ↑ "Triphragmium ulmariae (DC.) Link 1825". MycoBank. International Mycological Association. Retrieved 2011-07-08.
  3. 1 2 Stubbs, F. B. Edit. (1986) Provisional Keys to British Plant Galls. Pub. Brit Plant Gall Soc. ISBN 0-9511582-0-1. P. 27.
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