Phragmidium circumvallatum Magnus, 1894

Fungi, Basidiomycota, Pucciniomycetes, Pucciniales

on Geum

gall

no alternation of hostplant. Spermogonia not described. Aecia mainly hypophyllous, 2-3 mm, on roundish yellow spots, surrounded by paraphyses that are curved inwards; spores yellow. No uredinia. Telia hypophyllous, dispersed, black, similarly surrounded by paraphyses. Teliospores cylindrical, 28-32 x 52-84 µm, composed of generally 4-6 warty cells; apically a hylaine, conical papilla, 6-14 µm high; pedicel thick, up to 90 µm, persistent.

hostplants

Rosaceae, narrowly monophagous

Geum heterocarpum.

references

Bahcecioglu & Kabaktepe (2012a), Buhr (1965a), Brandenburger (1985a: 233), Gäumann (1959a), González-Fragoso (1925a).

23/04/2017

mod 28.vi.2017