Melampsora galanthi-fragilis Klebahn, 1901

on Galanthus, Leucojum

gall

spermogonia subepidermal, weakly protruding, pale, 0.2 mm. Aeci amphigenous, also on petioles and scale leaves, 2 mm, dish-shaped, bright yellow, without a peridium; spores densely pustulate.

spermogonia, aecia

Amaryllidaceae, oligophagous

Galanthus nivalis, plicatus; Leucojum aestivum, vernum.


on Salix

gall

most uredinia mostly hypophyllous, orange, the opposite site of the leaf with reddish colouration. Spores 14-18 x 22-38 µm; wall thick (3 µm). Between the spores numerous thick-walled paraphyses with a well-differentiated head (next to a minority of thin-walled clavate ones) Telia epiphyllous, subcuticular, dark brown pulvinate, up to 1 mm.

uredinia, telia

Salicaceae, narrowly monophagous

Salix x fragilis, pentandra.

synonyms

Melampsora allii-fragilis f. sp. galanthi-fragilis.

references

Apine, Nikolajeva, Vimba ao (2010a), Brandenburger (1985a: 44, 732), Buhr (1965a), Dietrich (2013a), Gäumann (1959a), González-Fragoso (1925a), Hafellner (1980a), Klenke & Scholler (2015a), Kruse (2019a), Kruse, Thiel, Frauenberger ao (2019a), Poelt & Zwetko (1997a), Termorshuizen & Swertz (2011a).

mod 2.ix.2019