Melampsorella caryophyllacearum (de Candolle) Schröter, 1874
on Abies
gall
Induces witches’ brooms and localised strong swellings of the them. The witches’ brooms are leafless in the winter; in spring they bud a month early and get abnormally short, yellowish needles. Pink, short-cylindrical aecia at the underside of the needles in a row at either side of the midrib. Aeciospores relatively densely and relatively coarsely verrucose.
spermogonia, aecia
Pinaceae, monophagous
Abies alba, balsamea, cephalonica, concolor, lasiocarpa, nordmanniana, pinsapo, sacchalinense var. mayriana.
on Caryophyllaceae, Alsinoideae
Cerastium arvense, from González-Fragoso (1925a): cross section through an uredinium
gall
uredinia and telia hypophyllous. Uredinia op to 0.4 mm, orange, covered by a flimsy peridium with a central pore; urediniospores with 2-3 about equatorial germination pores. Telia often extensive, discolouring the leaf; the spores are formed intracellularly in the epidermis.
uredinia, telia
Caryophyllaceae, oligophagous
Arenaria serpyllifolia; Cerastium alpinum, arcticum, arvense, cerastoides, fontanum & subsp. vulgare, glomeratum, latifolium, pumilum, semidecandrum, tomentosum; Moehringia trinervia; Myosoton aquaticum; Stellaria alsine, crassifolia, graminea, holostea, media, nemorum, palustris.
notes
In both host phases the mycelium is systemic and perennal. The plants are disfigured.
synonyms
Aecidium elatinum Albertni & Schweinitz, 1805.
references
Brandenburger (1985a: 15, 97), Buhr (1964b, 1965a), Dauphin & Aniotsbehere (1997a), Doppelbaur (1973a), Ellis & Ellis (1997a), Gäumann (1959a), Henderson (2000a, 2004a), Irimia (2010a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a, 2019a), Maier, Begerow, Weiß & Oberwinkler (2003a), Negrean (1996a), Poelt & Zwetko (1997a), Preece & Hick (1994a), Redfern & Shirley (2011a) Roskam (2009a, 2019a), Termorshuizen & Swertz (2011a), Tomasi (2003a), Vanderweyen & Fraiture (2007a), Wilson & Henderson (1966a), Woods, Stringer, Evans & Chater (2015a).