Puccinia rhei-undulati (Dietel) Hiratsuka, 1935

Fungi, Basidiomycota. Pucciniomycetes, Pucciniales, Pucciniaceae

on Rheum

gall

no host plant alternation, only uredinia and (very rarely) telia. Uredinia mainly hypophyllous, also on the petioles, on yellow spots, orbilculate, ferruginous, pulverulent. Spores on average 22 x 29 µm, with 3-4 conspicuous equatorial germination pores.

hostplants

Polygonaceae, monophagous

Rheum rhabarabarum, rhaponticum.

synonyms

Uredo rhei-undulati Dietel, 1906.

notes

the species is described from Japan, and is not treated by Gäumann, but it is included in the compilation by Brandenburger (as Uredo r.-u.).

references

Brandenburger (1985a: 88), Cunningham (1945a).

05/04/2017

mod 28.vi.2017