Puccinia albescens Greville, 1889
on Adoxa
Adoxa moschatellina, Gronsveld, Savelsbos, 4.v.2018 ©
Cor Zonneveld
Adoxa moschatellina, Belgium, prov. Limburg, Heusden-Zolder © Carina Van Steenwinkel: aecia on strongly disfigured part of the plant; late April
galled plant
detail
Adoxa moschatellina, Belgium, prov. Limburg, Heusden-Zolder © Carina Van Steenwinkel: uredinia, late May
urediniospores: spinulation
urediniospores, optical section
leaf with telia, upperside: no trace of malformation
underside
telia also on the petiole
teliospores mixed with urediniospores
gall
No host alternation. Spermogonia and aecia scattered all over the plant, pale yellow. Uredinia and telia often missing, brown, long covered by the epidermis. Telia partly develop from the uredinia. Urediniospores elliptic, 1-celled, spinulose; teliospores on a long, deciduous pedicel, 2-celled, brown, each cell with a hyaline papilla.
hostplants
Adoxaceae, monophagous
Adoxa moschatellina.
notes
The fungus is systemic; infested plants are etiolated and stunted.
references
Brandenburger (1985a: 594), Buhr (1964b), Dauphin & Aniotsbehere (1997a), Ellis & Ellis (1997a), Gäumann (1959a) González Fragoso (1924a), Henderson (2000a, 2004a), Klenke & Scholler (2015a), Koops (2013a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2019a), Preece & Hick (1994a), Redfern & Shirley (2011a), Roskam (2009a. 2019a), Termorshuizen & Swertz (2011a), Vanderweyen & Fraiture (2011a), Wilson & Henderson (1966a), Woods, Stringer, Evans & Chater (2015a).