Plant Parasites of Europe

leafminers, galls and fungi

Puccinia centaureae-rhapontici

Puccinia centaureae-rhapontici Mayor, 1918

on Rhaponticum

Puccinia centaureae-rhapontici: telium and spores

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).

Last modified 29.xi.2022