Puccinia centaureae-rhapontici Mayor, 1918

Fungi, Basidiomycota. Pucciniomycetes, Pucciniales, Pucciniaceae

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.

hostplants

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).

27/05/2017

mod 28.vi.2017