Ramularia didymarioides

Brosi & Sacc.

LEAF SPOTS amphigenous, diffuse, subcircular to irregular, at first pale greenish, later yellowish-ochraceous, yellowish brown, pale brown, finally greyish brown, 1-20 mm diam, with a narrow, purplish violet to blackish margin, rarely slightly zonate.


CAESPITULI amphigenous, punctiform, whitish.

CONIDIOPHORES (cp) in small to moderately large fascicles, loose to dense, originating from internal hyphae or stromata, emerging through stomata, erect, subcylindric, filiform, flexuous to geniculate-sinuous, simple, usually septate, hyaline, smooth, (30-)40-120(-150) x 3-6 µm.

CONIDIA (c) solitary, rarely in short chains, obovoid, ellipsoid-subcylindric, hyaline, smooth to faintly rough, aseptate or 2-septate, 12-35 x 4-9 µm; apex rounded, base rounded to slightly obconically truncate; hilum thickened and darkened.


PLANT HOST AND DISTRIBUTION. Ramularia didymarioides affects different plant species of the genera Lychnis, Silene, and Viscaria (Caryophyllaceae) growing in Asia and Europe (Braun 1998).


Braun U. 1998. A monograph of Cercosporella, Ramularia and allied genera. Vol. 2. IHW-Verlag.