Cirsium odontolepis, from González Fragoso (1924a): urediniospores and teliospores

gall

no host plant alternation, only telia. Telia hypophyllous, numerous, black, pulverulent. In the telia a small number of urediniospores is formed; they are globular, 35 µm in ø, and have 3 germination pores with clear papillae. Teliospores 2-celled, wall uniformly thick, top cell often with a low papilla; pedicel hyaline, brittle, shorter than, rarely as along as, the spore.

host plants

Asteraceae, narrowly monophagous

Cirsium eriophorum, odontolepis

references

Brandenburger (1985a: 665) González Fragoso (1924a), Mayor (1970a).