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