Microbotryum violaceum (Persoon) Deml & Oberwinkler, 1982

on Caryophyllaceae

Microbotryum violaceum on Silene radicosa

Silene radicosa, Greece, Ioannina, Syrrako, 1220 m, 12l.vii.2020 © Cor Zonneveld

galled flowers

gall

the anthers are swollen, eventually rupture and release a brownish violet mass of spores.

host plants

Caryophyllaceae, oligophagous

Dianthus caryophyllus, monspessulanus, spiculifolius, superbus, “tenuifolius”; Gypsophila repens; Petrorhagia saxifraga; Saponaria lutea, ocymoides, officinalis, pumilio; Silene acaulis, alba, baccifera, boryi, bupleuroides, chlorantha, ciliata, conica, dichotoma, flos-cuculi, italica, legionensis, nivalis, nutans, paradoxa, pusilla, radicosa, rupestris, saxifraga.

synonyms

Ustilago antherarum (de Candolle) Fries, 1832; silenes-nutantis (de Candolle) Liro, 1924.

notes

Buhr reports this species also from Agrostemma githago. Given the current narrow delimitation of Microbotryum species this must concern a completely different species. The reference to Stellaria pallida by Tomasi (2014a) probably applies to Microbotryum stellariae.

references

Ainsworth & Sampson (1950a), Almaraz (1998a), Blumer (1946a), Brandenburger (1985a: 114), Buhr (1964b), Dauphin & Aniotsbehere (1997a), Denčev (1991a), Doppelbaur & Doippelbauer (1973a), Le Gac, Hood, Fournier & Giraud (2007a), Gönczö & Révay (1981a), Hagen (1941a), Jage, Scholler & Klenke (2010a), Klenke (2002a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2019a), Lutz & Vánky (2009a), Mayor (1970a, 1971a), Negrean (1996a,b), Savchenko & Heluta (2012a), Schmid-Heckel (1985a), Scholz & Scholz (2013a), Tomasi (2014a), Tóth (1994a), Unamuno (1941b), Vanderweyen & Fraiture (2014a), Vánky (1994a), Zwetko (1993a).