Puccinia acarnae Sydow & Sydow, 1902

on Picnomon

Puccinia acarnae: spores

Picnomon acarna, from González Fragoso (1924a): urediniospores and teliospores

gall

uredinia amphigenous, yellowish. Urediniospores 21–26 x 26-29 µm, echinulate, with a a single pore. Telia amphigenous, blackish brown. Teliospores 2-celled, 21–26 x 38-50 µm, weakly constricted, wall echinulate; pedicuel hyaline, fragile, up to somewhat longer than the spore.

host plants

Asteraceae, narrowly oligophagous

Cirsium phyllocephalum; Picnomon acarna

references

Bahcecioglu & Kabaktepe (2012a), Erdoğdu, Hüseyin & Suludere (2010a), González Fragoso (1924a), Savchenko, Heluta, Wasser & Nevo (2014d), Savchenko, Wasser, Heluta & Nevo (2019a, Unamuno (1941a, 1942a).

mod 29.ix.2019