Desmosorus oncidii Ritschel, Oberwinkler & Berndt, 2005

on Orchidaceae

gall

No host plant alternation (?); in Europe only the amphigenous rust-coloured uredinia are known, that develop on large red leaf spots. Spores 16-24 x 22-35 µm.

hostplants

Orchidaeae, oligophagous

Spiranthes spiralis.

Found in greenhouses also on Cattleya dowiana, Epidendrum, Laelia gouldiana, and Trichocentrum (=Oncidium) cavendishianum.

synonyms

Uredo oncidii Hennings, 1902.

references

Brandenburger (1985a), Ellis & Ellis (1997a), Henderson (2000a, 2004a), Termorshuizen & Swertz (2011a), Wilson & Henderson (1966a)

19/12/2016