Puccinia malvacearum Bertero ex Mont. 1852

Puccinia malvacearum on Pelargonium geranium

Puccinia malvacearum, also known as hollyhock or mallow rust, is a species within the genus Puccinia known for attacking members of the family Malvaceae. An autoecious pathogen, it can complete its life cycle using a single host.

Plants affected by the rust include Abutilon, Alcea (Hollyhock), Hibiscus, Lavatera, Malva, Malvastrum and Sphaeralcea.

Suggested control measures include sanitation (removal or destruction of affected plants or plant portions) or treatment with fungicides.

See also

• List of Puccinia species

References

• Hollyhock Rust: Puccinia malvacearum. University of Colorado Extension Service.
• Rust of Hollyhock. University of Nebraska Department of Plant Pathology.