Puccinia imperatoriae-mamillata Cruchet, 1913

on Peucedanum

gall

spermogonia epiphyllous, also on the petioles, numerous. Aecia mainly hypophyllous, cupulate, on galled spots on the leaves, veins and petioles.

spermogonia, aecia

Apiaceae, narrowly monophagous

Peucedanum ostruthium.

on Bistorta

gall

uredinia and telia hypophyllous, scattered, soon naked. Uredinia yellowish brown, spores 20-22 x 22-4 µm, verruculose, with 4-6 indistinct germination pores. Telia blackish brown; spores 2-celled, almost globular; wall thin, smooth (but according to Klenke & Scholler mostly with small warts, arranged in vertical lines); pedicel short, hyaline, deciduous; germination pores capped by small but high papillae.

uredinia, telia

Polygonaceae, monophagous

Bistorta officinalis.

references

Brandenburger (1985a: 85, 452), Gäumann (1957a), Klenke & Scholler (2015a).