Puccinia madritensis Maire, 1919

on Clematis

gall

Spermogonia honey-coloured epiphyllous. Aecia hypophyllous, cupulate; peridium whitish, recurved and frayed; orange-yellow, on discoloured, eventually galled spots on the leaves, petioles and stems.

Only if the host plant alternation is known, a specific identification is possible for aecia on Clematis.

spermogonia, aecia

Rancunlaceae, monophagous

Clematis cirrhosa, flammula, recta, vitalba .


on Bromus s.l.

gall

uredinia and telia never forming long stripes. uredinia rust coloured, op to 1 mm, long covered by the epidermis; urediniospores with 8 dispersed germination pores; between the spores some hyaline, apically thickened paraphyses. Telia amphigenous, also on the stem, black, covered by the epidermis; they are compartimentalised by rows of brow paraphyses. Teliospores 2-celled, ob-clavate, somewhat constricted, flattened at the tip; wall smooth, apically somewhat thickened; pedicel short, brown.

uredinia, telia

Poaceae, narrowly oligophagous

Anisantha fasciculata, madritensis, rigida, rubens, sterilis, tectorum; Bromus alopecurus, brachystachys, hordeaceus, intermedius, lanceolatus, scoparius.

synonyms

some authors, including Termorshuizen & Swertz, consider this species conspecific with P. recondita.

references

Brandenburger (1985a), Gäumann (1959a), González Fragoso (1924a), Klenke & Scholler (2015a), Llorens i Villagrasa (1984a), Săvulescu & Rayss (1935a), Termorshuizen & Swertz (2011a), Unamuno (1942a).

16/05/2017

mod 25.vii.2017