Uromycladium falcatarium

Uromycladium falcatarium
Scientific classification
Kingdom:	Fungi
Division:	Basidiomycota
Class:	Pucciniomycetes
Order:	Pucciniales
Family:	Pileolariaceae
Genus:	Uromycladium
Species:	U. falcatarium
Binomial name
Uromycladium falcatarium Doungsa-ard, McTaggart & Shivas (2015)

Uromycladium falcatarium (falcataria gall rust fungus) is a species of rust fungus in the genus Uromycladium. It was circumscribed by mycologists Doungsa-ard, McTaggart & Shivasin in 2015.

The species infects the Fabaceae tree Falcataria moluccana (= Paraserianthes falcataria) in south-east Asia.

Falcataria gall rust fungus (Uromycladium falcatarium) is potentially specific to only one host plant, Falcataria moluccana. However, U. falcatarium is closely related to the acacia gall rust fungus U. tepperianum, which has almost 100 known hosts including plants from several tribes of Mimosoideae. Research suggests that U. tepperianum may comprise several unrecognized taxa with greater levels of host specificity. It is uncertain if previous reports of Uromycladium fungal infections reported on F. moluccana are from U. tepperianum or U. falcatarium. For example, laboratory studies that manually inoculated F. moluccana and Acacia mangium with Uromycladium fungal spores collected from F. moluccana in Yogyakarta, Indonesia were only infectious on the sengon leaves and spores did not penetrate the A. mangium leaves. The authors of this last study considered these spores to be from U. tepperianum but did not report how they determined the identity of the fungus used for their experiments.

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