Rhaponticum centauroides, from González Fragoso (1924a): telium (section), teliospores, urediniospores

gall

No host plant alternation; no aecia. The uredinia that are formed first epiphyllous, chestntut brown, in circles on sharply delimited, c. 5 mm wide pale spots. The later ones hypophyllous, less than 0.5 mm, dark brown. Urediniospores with 2, equatorial pores. Telia dark brown; teliospores 2-cellen, rounded at top and bottom, not constricted, wall densely verrucose, pedicel deciduous, hyaline, 20 µm long.

host plants

Asteraceae, monophagous

Rhaponticum centauroides, scariosum.

synonyms

Puccinia grossii Font Quer, 1923.

references

Blumer (1946a), Brandenburger (1985a: 669), Buhr (1964b), Gäumann (1959a), González Fragoso (1924a), Klenke & Scholler (2015a).