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Uromyces ari-triphylli Uromyces ari-triphylli a rust fungus that infects the leaves of Jack-in-the Pulpit (Arisaema triphylla). Arisaema triphylla,Geotagged,Jack-in-the Pulpit,Minnesota,Spring,United States,Uromyces ari-triphylli,forest,rust fungus Click/tap to enlarge PromotedSpecies introCountry intro

Uromyces ari-triphylli

Uromyces ari-triphylli a rust fungus that infects the leaves of Jack-in-the Pulpit (Arisaema triphylla).

    comments (2)

  1. I will have to look out for this rust this year! Thanks for bringing it to my attention! Posted 6 years ago
    1. It infects the green dragon species of Arisaema also so if you come across that one you might find the rust there. Posted 6 years ago

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A fungus that produces small rust-colored circular growths with a central pit on the undersides of various Arisaema species, Arum species, and Peltandra virginica (all in Aracea) leaves which are its host plants.

Similar species: Pucciniales
Species identified by Gary B
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By Gary B

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Uploaded Mar 6, 2019. Captured May 30, 2016 10:57 in 4408 Miller Rd, Barnum, MN 55707, USA.
  • Canon EOS DIGITAL REBEL
  • f/2.8
  • 1/60s
  • ISO400
  • 100mm