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on Aconogonon

gall

uredinia hypophyllous, cinnamon brown, dispersed; spores 17-21 x 22-29 µm, sparely verruculose, ? 4 indistinct germination pores. Telia hypophyllous, blackish brown, pulverulent; teliospores 2-celled, 19 x 30 µm, short-elliptic. Germination pore of the lower cell close to the base, capped by a low papilla. Pedicel hyaline, short, deciduous.

uredinia, telia

Polygonaceae, monophagous

Aconogonon alpinum (= Polygonum, Persicaria).

references

Brandenburger (1965a: 85, 444), Gäumann (1959a), Klenke & Scholler (2015a), Mayor (1970a), Tomasi (2014a).