Melampsora salicis-albae Klebahn, 1901

on Allium

gall

spermogonia subepidermal, weakly protruding, pale, 0.2 mm. Aecia mostly hypophyllous, 1 mm, orange, in groups on yellowed parts of the leaf; spores densely pustulate. The aecia don’t have a peridium, but the remants of the ruptured epidermis may be misleading.

In this stage not to be distinguished from M. allii-fragilis.

spermogonia, aecia

Amaryllidaceae, monophagous

Allium scorodoprasum, ursinum.

Gäumann additionally gives a long list of Allium species that experimentally could be infected.


on Salix

gall

most uredinia hypophyllous, orange, between the spores numerous clavate, thick-walled paraphyses. In spring uredinia develop also on the young shoots; they are large, up to 5 mm, and crowded. Urediniospores pear-shaped to elliptic, 11-17 x 29-36 µm, spinulose; from apex to base the spines clearly increase in size. Telia amphigenous, subcuticular, dark brown pulvinate..

uredinia, telia

Salicaceae, monophagous

Salix alba & var. vitellina, (pentandra).

synonyms

Melampsora allii-salicis-albae Klebahn, 1902.

references

Bahcecioglu & Kabaktepe (2012a), Brandenburger (1985a: 45), Buhr (1965a), Doppelbaur & Doppelbaur (1968a), Ellis & Ellis (1997a), Gäumann (1957a), González-Fragoso (1922a, 1925a), Henderson (2000a), Klenke & Scholler (2015a), Poelt & Zwetko (1997a), Savchenko, Heluta, Wasser & Nevo (2014c), Savchenko, Wasser, Heluta & Nevo (2019a), Scheuer & Bechter (2012a), Termorshuizen & Swertz (2011a), Tomasi (2014a), Tykhonenko (2010a), Vanderweyen & Fraiture (2007a), Wilson & Henderson (1966a), Woods, Stringer, Evans & Chater (2015a).

mod 29.ix.2019