Puccinia tyrimni González Fragoso 1918

on Tyrimnus

Puccinia tyrimni: spores

Tyrimnus leucographus, from González Fragoso (1924a): urediniospores and teliospores

gall

No host plant alternation, uredinia and telia: both hypophyllous, also on the stems, breaking though the epidermis. Urediniospores scarce, often between the teliospores, 21-24 x 21-32 µm with 3 germination pores. Teliospores 21-28 x 35-52 µm, almost smooth; pedicel hyaline, persistent, 60-80(180) µm.

hostplants

Asteraceae, monophagous

Tyrimnus leucographus.

references

Brandenburger (1985a: 673), González Fragoso (1924a).

18/04/2017

mod 16.vii.2017