Smyrnium olusatrum, England, Vice County: Berks, VC22: aecia (yellow) and telia (black) © Malcolm Storey, BioImages

gall

No hostplant alternation, no uredinia. Spermogonia epiphyllous, yellow, up to 0.2 mm. Aecia amphigenous, also on the petioles, yellow, pustulate. Telia hypophyllous, mostly on yellowed leaf spots, brownish black; spores 2-celled, knobby; pedicel thick, up to 60 µm, deciduous.

host plants

Apiaceae, monophagous

Smyrnium apiifolium, cordifolium, olusatrum, orphanidis, perfoliatum & subsp. rotundifolium.

synonyms

P. dictyoderma Lindroth, 1901; P. smyrnii-olusatri Lindroth, 1902.

references

Bahçecioğlu & Kabaktepe (2012a), Bennell, Henderson & Prentice (1978a), Brandenburger (1985a: 459), Buhr (1965a), Chinery (2011a), Ellis & Ellis (1997a), Gäumann (1959a), Gjaerum (1986a), González Fragoso (1924a), Henderson (2000a), Klenke & Scholler (2015a), Kruse, Thiel, Klenke & Kummer (2019b), Losa España (1944a), Mercé (1975a), Preece & Hick (1994a), Redfern & Shirley (2011a), Savchenko, Heluta, Wasser & Nevo (2014d), Savchenko, Wasser, Heluta & Nevo (2019a), Termorshuizen & Swertz (2011a), Vanderweyen & Fraiture (2011a), Wilson & Henderson (1966a), Woods, Stringer, Evans & Chater (2015a).