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Puccinia malvacearum
Scientific classification
Domain:	Eukaryota
Kingdom:	Fungi
Division:	Basidiomycota
Class:	Pucciniomycetes
Order:	Pucciniales
Family:	Pucciniaceae
Genus:	Puccinia
Species:	P. malvacearum
Binomial name
	Puccinia malvacearum; Bertero ex Mont. (1852)
Synonyms
	Dasyspora malvacearum (Bertero ex Mont.) Arthur, Résult. Sci. Congr. Bot. Wien 1905: 346 (1906); Leptopuccinia malvacearum (Bertero ex Mont.) Rostr., Plantepatologi: 268 (1902); Micropuccinia malvacearum (Bertero ex Mont.) Arthur & H.S.Jacks., Bull. Torrey bot. Club 48: 41 (1921); Puccinia sidae-rhombifoliae Mayor, in Fuhrmann & Mayor, Mém. Soc. Sci. Nat. Neuchâtel 5: 484 (1914)

Puccinia malvacearum, also known as hollyhock or mallow rust, is a fungal 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.

It was originally found on the leaves of a species of Malva in Chile.^[3] Other plants also affected by the rust include Abutilon, Alcea (Hollyhock),^[4] Hibiscus, Lavatera, Malvastrum and Sphaeralcea.

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

References

^ Bertero ex Mont., in Gay, Hist. fis. y polit. Chile, Bot. 8: 43 (1852)
^ "Puccinia malvacearum Bertero ex Mont. 1852". MycoBank. International Mycological Association. Retrieved 2011-07-08.
^ ^a ^b "Species Fungorum - GSD Species". www.speciesfungorum.org. Retrieved 20 August 2023.
^ O'Donnell, K.L.; Mclaughlin, D.J. (1981). "Ultrastructure of meiosis in the hollyhock rust fungus, Puccinia malvacearum 1. Prophase I—Prometaphase I.". Protoplasma. 108 (3–4): 225–244. doi:10.1007/BF02224421.